Home / 762,004.92-1,051,578.65-417,872.28

Finding the Fourth Proportional to 762,004.92, 1,051,578.65 and 417,872.28

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Solution

The fourth proportional to 762,004.92, 1,051,578.65 and 417,872.28 is: 576,670.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,004.92 : 1,051,578.65 = 417,872.28 : x
  2. Step 2: Convert to fraction form
    762,004.92/1,051,578.65 = 417,872.28/x
  3. Step 3: Cross multiply
    762,004.92x = 1,051,578.65 × 417,872.28
  4. Step 4: Simplify right side
    762,004.92x = 439,425,565,985.46
  5. Step 5: Solve for x
    x = 439,425,565,985.46/762,004.92
  6. Step 6: Final answer
    x = 576,670.25

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1.5x scale

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.