Home / 749,212.62-1,033,938.18-409,680.87

Finding the Fourth Proportional to 749,212.62, 1,033,938.18 and 409,680.87

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Solution

The fourth proportional to 749,212.62, 1,033,938.18 and 409,680.87 is: 565,373.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,212.62 : 1,033,938.18 = 409,680.87 : x
  2. Step 2: Convert to fraction form
    749,212.62/1,033,938.18 = 409,680.87/x
  3. Step 3: Cross multiply
    749,212.62x = 1,033,938.18 × 409,680.87
  4. Step 4: Simplify right side
    749,212.62x = 423,584,693,108.62
  5. Step 5: Solve for x
    x = 423,584,693,108.62/749,212.62
  6. Step 6: Final answer
    x = 565,373.14

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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.