Home / 828,398.82-1,240,605.31-472,333.35

Finding the Fourth Proportional to 828,398.82, 1,240,605.31 and 472,333.35

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Solution

The fourth proportional to 828,398.82, 1,240,605.31 and 472,333.35 is: 707,363.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,398.82 : 1,240,605.31 = 472,333.35 : x
  2. Step 2: Convert to fraction form
    828,398.82/1,240,605.31 = 472,333.35/x
  3. Step 3: Cross multiply
    828,398.82x = 1,240,605.31 × 472,333.35
  4. Step 4: Simplify right side
    828,398.82x = 585,979,253,535.40
  5. Step 5: Solve for x
    x = 585,979,253,535.40/828,398.82
  6. Step 6: Final answer
    x = 707,363.70

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1.5x scale

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.