Home / 749,965.30-1,034,938.29-410,426.74

Finding the Fourth Proportional to 749,965.30, 1,034,938.29 and 410,426.74

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Solution

The fourth proportional to 749,965.30, 1,034,938.29 and 410,426.74 is: 566,381.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,965.30 : 1,034,938.29 = 410,426.74 : x
  2. Step 2: Convert to fraction form
    749,965.30/1,034,938.29 = 410,426.74/x
  3. Step 3: Cross multiply
    749,965.30x = 1,034,938.29 × 410,426.74
  4. Step 4: Simplify right side
    749,965.30x = 424,766,348,465.88
  5. Step 5: Solve for x
    x = 424,766,348,465.88/749,965.30
  6. Step 6: Final answer
    x = 566,381.34

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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.