Home / 749,263.56-1,123,599.48-299,900.67

Finding the Fourth Proportional to 749,263.56, 1,123,599.48 and 299,900.67

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Solution

The fourth proportional to 749,263.56, 1,123,599.48 and 299,900.67 is: 449,732.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,263.56 : 1,123,599.48 = 299,900.67 : x
  2. Step 2: Convert to fraction form
    749,263.56/1,123,599.48 = 299,900.67/x
  3. Step 3: Cross multiply
    749,263.56x = 1,123,599.48 × 299,900.67
  4. Step 4: Simplify right side
    749,263.56x = 336,968,236,863.65
  5. Step 5: Solve for x
    x = 336,968,236,863.65/749,263.56
  6. Step 6: Final answer
    x = 449,732.58

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Double scale
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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.