Home / 749,397.21-1,034,142.55-427,211.13

Finding the Fourth Proportional to 749,397.21, 1,034,142.55 and 427,211.13

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Solution

The fourth proportional to 749,397.21, 1,034,142.55 and 427,211.13 is: 589,536.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,397.21 : 1,034,142.55 = 427,211.13 : x
  2. Step 2: Convert to fraction form
    749,397.21/1,034,142.55 = 427,211.13/x
  3. Step 3: Cross multiply
    749,397.21x = 1,034,142.55 × 427,211.13
  4. Step 4: Simplify right side
    749,397.21x = 441,797,207,366.58
  5. Step 5: Solve for x
    x = 441,797,207,366.58/749,397.21
  6. Step 6: Final answer
    x = 589,536.77

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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.