Home / 731,493.92-1,009,563.35-409,225.80

Finding the Fourth Proportional to 731,493.92, 1,009,563.35 and 409,225.80

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Solution

The fourth proportional to 731,493.92, 1,009,563.35 and 409,225.80 is: 564,788.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,493.92 : 1,009,563.35 = 409,225.80 : x
  2. Step 2: Convert to fraction form
    731,493.92/1,009,563.35 = 409,225.80/x
  3. Step 3: Cross multiply
    731,493.92x = 1,009,563.35 × 409,225.80
  4. Step 4: Simplify right side
    731,493.92x = 413,139,371,294.16
  5. Step 5: Solve for x
    x = 413,139,371,294.16/731,493.92
  6. Step 6: Final answer
    x = 564,788.52

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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.