Home / 953,132.36-1,429,387.50-420,631.88

Finding the Fourth Proportional to 953,132.36, 1,429,387.50 and 420,631.88

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Solution

The fourth proportional to 953,132.36, 1,429,387.50 and 420,631.88 is: 630,810.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,132.36 : 1,429,387.50 = 420,631.88 : x
  2. Step 2: Convert to fraction form
    953,132.36/1,429,387.50 = 420,631.88/x
  3. Step 3: Cross multiply
    953,132.36x = 1,429,387.50 × 420,631.88
  4. Step 4: Simplify right side
    953,132.36x = 601,245,951,373.50
  5. Step 5: Solve for x
    x = 601,245,951,373.50/953,132.36
  6. Step 6: Final answer
    x = 630,810.55

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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.