Home / 539,037.20-807,000.60-329,085.20

Finding the Fourth Proportional to 539,037.20, 807,000.60 and 329,085.20

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Solution

The fourth proportional to 539,037.20, 807,000.60 and 329,085.20 is: 492,678.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,037.20 : 807,000.60 = 329,085.20 : x
  2. Step 2: Convert to fraction form
    539,037.20/807,000.60 = 329,085.20/x
  3. Step 3: Cross multiply
    539,037.20x = 807,000.60 × 329,085.20
  4. Step 4: Simplify right side
    539,037.20x = 265,571,953,851.12
  5. Step 5: Solve for x
    x = 265,571,953,851.12/539,037.20
  6. Step 6: Final answer
    x = 492,678.34

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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.