Home / 731,581.34-1,009,621.46-409,272.21

Finding the Fourth Proportional to 731,581.34, 1,009,621.46 and 409,272.21

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Solution

The fourth proportional to 731,581.34, 1,009,621.46 and 409,272.21 is: 564,817.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,581.34 : 1,009,621.46 = 409,272.21 : x
  2. Step 2: Convert to fraction form
    731,581.34/1,009,621.46 = 409,272.21/x
  3. Step 3: Cross multiply
    731,581.34x = 1,009,621.46 × 409,272.21
  4. Step 4: Simplify right side
    731,581.34x = 413,210,007,220.81
  5. Step 5: Solve for x
    x = 413,210,007,220.81/731,581.34
  6. Step 6: Final answer
    x = 564,817.59

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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.