Home / 731,510.42-1,009,445.09-404,809.07

Finding the Fourth Proportional to 731,510.42, 1,009,445.09 and 404,809.07

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Solution

The fourth proportional to 731,510.42, 1,009,445.09 and 404,809.07 is: 558,614.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,510.42 : 1,009,445.09 = 404,809.07 : x
  2. Step 2: Convert to fraction form
    731,510.42/1,009,445.09 = 404,809.07/x
  3. Step 3: Cross multiply
    731,510.42x = 1,009,445.09 × 404,809.07
  4. Step 4: Simplify right side
    731,510.42x = 408,632,521,027.70
  5. Step 5: Solve for x
    x = 408,632,521,027.70/731,510.42
  6. Step 6: Final answer
    x = 558,614.77

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Double scale
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Similar ratio
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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.