Home / 757,553.73-1,045,446.38-413,411.87

Finding the Fourth Proportional to 757,553.73, 1,045,446.38 and 413,411.87

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Solution

The fourth proportional to 757,553.73, 1,045,446.38 and 413,411.87 is: 570,520.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,553.73 : 1,045,446.38 = 413,411.87 : x
  2. Step 2: Convert to fraction form
    757,553.73/1,045,446.38 = 413,411.87/x
  3. Step 3: Cross multiply
    757,553.73x = 1,045,446.38 × 413,411.87
  4. Step 4: Simplify right side
    757,553.73x = 432,199,938,746.83
  5. Step 5: Solve for x
    x = 432,199,938,746.83/757,553.73
  6. Step 6: Final answer
    x = 570,520.51

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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.