Home / 731,581.84-1,009,622.16-409,272.71

Finding the Fourth Proportional to 731,581.84, 1,009,622.16 and 409,272.71

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Solution

The fourth proportional to 731,581.84, 1,009,622.16 and 409,272.71 is: 564,818.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,581.84 : 1,009,622.16 = 409,272.71 : x
  2. Step 2: Convert to fraction form
    731,581.84/1,009,622.16 = 409,272.71/x
  3. Step 3: Cross multiply
    731,581.84x = 1,009,622.16 × 409,272.71
  4. Step 4: Simplify right side
    731,581.84x = 413,210,795,452.89
  5. Step 5: Solve for x
    x = 413,210,795,452.89/731,581.84
  6. Step 6: Final answer
    x = 564,818.28

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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.