Home / 884,682.65-1,220,825.86-497,487.05

Finding the Fourth Proportional to 884,682.65, 1,220,825.86 and 497,487.05

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Solution

The fourth proportional to 884,682.65, 1,220,825.86 and 497,487.05 is: 686,511.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,682.65 : 1,220,825.86 = 497,487.05 : x
  2. Step 2: Convert to fraction form
    884,682.65/1,220,825.86 = 497,487.05/x
  3. Step 3: Cross multiply
    884,682.65x = 1,220,825.86 × 497,487.05
  4. Step 4: Simplify right side
    884,682.65x = 607,345,057,463.46
  5. Step 5: Solve for x
    x = 607,345,057,463.46/884,682.65
  6. Step 6: Final answer
    x = 686,511.78

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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.