Home / 963,176.40-1,444,778.64-457,788.92

Finding the Fourth Proportional to 963,176.40, 1,444,778.64 and 457,788.92

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Solution

The fourth proportional to 963,176.40, 1,444,778.64 and 457,788.92 is: 686,690.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,176.40 : 1,444,778.64 = 457,788.92 : x
  2. Step 2: Convert to fraction form
    963,176.40/1,444,778.64 = 457,788.92/x
  3. Step 3: Cross multiply
    963,176.40x = 1,444,778.64 × 457,788.92
  4. Step 4: Simplify right side
    963,176.40x = 661,403,646,020.78
  5. Step 5: Solve for x
    x = 661,403,646,020.78/963,176.40
  6. Step 6: Final answer
    x = 686,690.05

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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.