Home / 731,459.42-1,009,366.59-409,113.74

Finding the Fourth Proportional to 731,459.42, 1,009,366.59 and 409,113.74

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Solution

The fourth proportional to 731,459.42, 1,009,366.59 and 409,113.74 is: 564,550.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,459.42 : 1,009,366.59 = 409,113.74 : x
  2. Step 2: Convert to fraction form
    731,459.42/1,009,366.59 = 409,113.74/x
  3. Step 3: Cross multiply
    731,459.42x = 1,009,366.59 × 409,113.74
  4. Step 4: Simplify right side
    731,459.42x = 412,945,740,665.95
  5. Step 5: Solve for x
    x = 412,945,740,665.95/731,459.42
  6. Step 6: Final answer
    x = 564,550.44

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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.