Home / 885,086.65-1,221,406.45-497,872.83

Finding the Fourth Proportional to 885,086.65, 1,221,406.45 and 497,872.83

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Solution

The fourth proportional to 885,086.65, 1,221,406.45 and 497,872.83 is: 687,057.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,086.65 : 1,221,406.45 = 497,872.83 : x
  2. Step 2: Convert to fraction form
    885,086.65/1,221,406.45 = 497,872.83/x
  3. Step 3: Cross multiply
    885,086.65x = 1,221,406.45 × 497,872.83
  4. Step 4: Simplify right side
    885,086.65x = 608,105,085,841.75
  5. Step 5: Solve for x
    x = 608,105,085,841.75/885,086.65
  6. Step 6: Final answer
    x = 687,057.12

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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.