Home / 757,645.14-1,045,534.98-413,487.90

Finding the Fourth Proportional to 757,645.14, 1,045,534.98 and 413,487.90

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Solution

The fourth proportional to 757,645.14, 1,045,534.98 and 413,487.90 is: 570,604.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,645.14 : 1,045,534.98 = 413,487.90 : x
  2. Step 2: Convert to fraction form
    757,645.14/1,045,534.98 = 413,487.90/x
  3. Step 3: Cross multiply
    757,645.14x = 1,045,534.98 × 413,487.90
  4. Step 4: Simplify right side
    757,645.14x = 432,316,063,256.74
  5. Step 5: Solve for x
    x = 432,316,063,256.74/757,645.14
  6. Step 6: Final answer
    x = 570,604.94

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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.