Home / 731,530.91-1,097,389.82-282,380.22

Finding the Fourth Proportional to 731,530.91, 1,097,389.82 and 282,380.22

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Solution

The fourth proportional to 731,530.91, 1,097,389.82 and 282,380.22 is: 423,606.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,530.91 : 1,097,389.82 = 282,380.22 : x
  2. Step 2: Convert to fraction form
    731,530.91/1,097,389.82 = 282,380.22/x
  3. Step 3: Cross multiply
    731,530.91x = 1,097,389.82 × 282,380.22
  4. Step 4: Simplify right side
    731,530.91x = 309,881,177,385.46
  5. Step 5: Solve for x
    x = 309,881,177,385.46/731,530.91
  6. Step 6: Final answer
    x = 423,606.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.