Home / 757,438.90-1,045,265.11-417,907.15

Finding the Fourth Proportional to 757,438.90, 1,045,265.11 and 417,907.15

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Solution

The fourth proportional to 757,438.90, 1,045,265.11 and 417,907.15 is: 576,711.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,438.90 : 1,045,265.11 = 417,907.15 : x
  2. Step 2: Convert to fraction form
    757,438.90/1,045,265.11 = 417,907.15/x
  3. Step 3: Cross multiply
    757,438.90x = 1,045,265.11 × 417,907.15
  4. Step 4: Simplify right side
    757,438.90x = 436,823,759,456.61
  5. Step 5: Solve for x
    x = 436,823,759,456.61/757,438.90
  6. Step 6: Final answer
    x = 576,711.55

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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.