Home / 747,307.59-1,121,149.13-214,829.58

Finding the Fourth Proportional to 747,307.59, 1,121,149.13 and 214,829.58

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Solution

The fourth proportional to 747,307.59, 1,121,149.13 and 214,829.58 is: 322,298.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,307.59 : 1,121,149.13 = 214,829.58 : x
  2. Step 2: Convert to fraction form
    747,307.59/1,121,149.13 = 214,829.58/x
  3. Step 3: Cross multiply
    747,307.59x = 1,121,149.13 × 214,829.58
  4. Step 4: Simplify right side
    747,307.59x = 240,855,995,641.12
  5. Step 5: Solve for x
    x = 240,855,995,641.12/747,307.59
  6. Step 6: Final answer
    x = 322,298.34

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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.