Home / 566,116.80-781,326.72-339,887.04

Finding the Fourth Proportional to 566,116.80, 781,326.72 and 339,887.04

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Solution

The fourth proportional to 566,116.80, 781,326.72 and 339,887.04 is: 469,095.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,116.80 : 781,326.72 = 339,887.04 : x
  2. Step 2: Convert to fraction form
    566,116.80/781,326.72 = 339,887.04/x
  3. Step 3: Cross multiply
    566,116.80x = 781,326.72 × 339,887.04
  4. Step 4: Simplify right side
    566,116.80x = 265,562,826,133.71
  5. Step 5: Solve for x
    x = 265,562,826,133.71/566,116.80
  6. Step 6: Final answer
    x = 469,095.47

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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.