Home / 485,450.52-669,944.40-270,592.14

Finding the Fourth Proportional to 485,450.52, 669,944.40 and 270,592.14

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Solution

The fourth proportional to 485,450.52, 669,944.40 and 270,592.14 is: 373,429.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,450.52 : 669,944.40 = 270,592.14 : x
  2. Step 2: Convert to fraction form
    485,450.52/669,944.40 = 270,592.14/x
  3. Step 3: Cross multiply
    485,450.52x = 669,944.40 × 270,592.14
  4. Step 4: Simplify right side
    485,450.52x = 181,281,688,877.02
  5. Step 5: Solve for x
    x = 181,281,688,877.02/485,450.52
  6. Step 6: Final answer
    x = 373,429.80

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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.