Home / 762,124.90-1,051,746.79-417,939.02

Finding the Fourth Proportional to 762,124.90, 1,051,746.79 and 417,939.02

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Solution

The fourth proportional to 762,124.90, 1,051,746.79 and 417,939.02 is: 576,763.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,124.90 : 1,051,746.79 = 417,939.02 : x
  2. Step 2: Convert to fraction form
    762,124.90/1,051,746.79 = 417,939.02/x
  3. Step 3: Cross multiply
    762,124.90x = 1,051,746.79 × 417,939.02
  4. Step 4: Simplify right side
    762,124.90x = 439,566,022,700.75
  5. Step 5: Solve for x
    x = 439,566,022,700.75/762,124.90
  6. Step 6: Final answer
    x = 576,763.76

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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.