Home / 731,579.04-1,009,555.92-409,294.80

Finding the Fourth Proportional to 731,579.04, 1,009,555.92 and 409,294.80

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Solution

The fourth proportional to 731,579.04, 1,009,555.92 and 409,294.80 is: 564,813.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,579.04 : 1,009,555.92 = 409,294.80 : x
  2. Step 2: Convert to fraction form
    731,579.04/1,009,555.92 = 409,294.80/x
  3. Step 3: Cross multiply
    731,579.04x = 1,009,555.92 × 409,294.80
  4. Step 4: Simplify right side
    731,579.04x = 413,205,988,365.22
  5. Step 5: Solve for x
    x = 413,205,988,365.22/731,579.04
  6. Step 6: Final answer
    x = 564,813.87

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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.