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Finding the Fourth Proportional to 576,464.33, 866,008.70 and 417,032.03

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Solution

The fourth proportional to 576,464.33, 866,008.70 and 417,032.03 is: 626,497.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,464.33 : 866,008.70 = 417,032.03 : x
  2. Step 2: Convert to fraction form
    576,464.33/866,008.70 = 417,032.03/x
  3. Step 3: Cross multiply
    576,464.33x = 866,008.70 × 417,032.03
  4. Step 4: Simplify right side
    576,464.33x = 361,153,366,158.66
  5. Step 5: Solve for x
    x = 361,153,366,158.66/576,464.33
  6. Step 6: Final answer
    x = 626,497.33

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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.