Home / 689,730.12-951,854.46-417,644.22

Finding the Fourth Proportional to 689,730.12, 951,854.46 and 417,644.22

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Solution

The fourth proportional to 689,730.12, 951,854.46 and 417,644.22 is: 576,365.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,730.12 : 951,854.46 = 417,644.22 : x
  2. Step 2: Convert to fraction form
    689,730.12/951,854.46 = 417,644.22/x
  3. Step 3: Cross multiply
    689,730.12x = 951,854.46 × 417,644.22
  4. Step 4: Simplify right side
    689,730.12x = 397,536,513,500.22
  5. Step 5: Solve for x
    x = 397,536,513,500.22/689,730.12
  6. Step 6: Final answer
    x = 576,365.31

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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.