Home / 749,347.67-1,034,126.09-427,005.74

Finding the Fourth Proportional to 749,347.67, 1,034,126.09 and 427,005.74

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Solution

The fourth proportional to 749,347.67, 1,034,126.09 and 427,005.74 is: 589,282.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,347.67 : 1,034,126.09 = 427,005.74 : x
  2. Step 2: Convert to fraction form
    749,347.67/1,034,126.09 = 427,005.74/x
  3. Step 3: Cross multiply
    749,347.67x = 1,034,126.09 × 427,005.74
  4. Step 4: Simplify right side
    749,347.67x = 441,577,769,008.10
  5. Step 5: Solve for x
    x = 441,577,769,008.10/749,347.67
  6. Step 6: Final answer
    x = 589,282.91

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.