Home / 709,569.10-1,064,665.29-372,531.46

Finding the Fourth Proportional to 709,569.10, 1,064,665.29 and 372,531.46

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Solution

The fourth proportional to 709,569.10, 1,064,665.29 and 372,531.46 is: 558,960.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,569.10 : 1,064,665.29 = 372,531.46 : x
  2. Step 2: Convert to fraction form
    709,569.10/1,064,665.29 = 372,531.46/x
  3. Step 3: Cross multiply
    709,569.10x = 1,064,665.29 × 372,531.46
  4. Step 4: Simplify right side
    709,569.10x = 396,621,314,895.02
  5. Step 5: Solve for x
    x = 396,621,314,895.02/709,569.10
  6. Step 6: Final answer
    x = 558,960.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.