Home / 947,129.64-1,420,905.87-498,062.40

Finding the Fourth Proportional to 947,129.64, 1,420,905.87 and 498,062.40

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Solution

The fourth proportional to 947,129.64, 1,420,905.87 and 498,062.40 is: 747,204.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,129.64 : 1,420,905.87 = 498,062.40 : x
  2. Step 2: Convert to fraction form
    947,129.64/1,420,905.87 = 498,062.40/x
  3. Step 3: Cross multiply
    947,129.64x = 1,420,905.87 × 498,062.40
  4. Step 4: Simplify right side
    947,129.64x = 707,699,787,786.29
  5. Step 5: Solve for x
    x = 707,699,787,786.29/947,129.64
  6. Step 6: Final answer
    x = 747,204.77

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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.