Home / 749,262.56-1,123,597.98-299,899.67

Finding the Fourth Proportional to 749,262.56, 1,123,597.98 and 299,899.67

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Solution

The fourth proportional to 749,262.56, 1,123,597.98 and 299,899.67 is: 449,731.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,262.56 : 1,123,597.98 = 299,899.67 : x
  2. Step 2: Convert to fraction form
    749,262.56/1,123,597.98 = 299,899.67/x
  3. Step 3: Cross multiply
    749,262.56x = 1,123,597.98 × 299,899.67
  4. Step 4: Simplify right side
    749,262.56x = 336,966,657,796.68
  5. Step 5: Solve for x
    x = 336,966,657,796.68/749,262.56
  6. Step 6: Final answer
    x = 449,731.08

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.