Home / 355,590.20-533,385.30-329,670.20

Finding the Fourth Proportional to 355,590.20, 533,385.30 and 329,670.20

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Solution

The fourth proportional to 355,590.20, 533,385.30 and 329,670.20 is: 494,505.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,590.20 : 533,385.30 = 329,670.20 : x
  2. Step 2: Convert to fraction form
    355,590.20/533,385.30 = 329,670.20/x
  3. Step 3: Cross multiply
    355,590.20x = 533,385.30 × 329,670.20
  4. Step 4: Simplify right side
    355,590.20x = 175,841,238,528.06
  5. Step 5: Solve for x
    x = 175,841,238,528.06/355,590.20
  6. Step 6: Final answer
    x = 494,505.30

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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.