Home / 763,126.65-1,053,118.85-476,812.80

Finding the Fourth Proportional to 763,126.65, 1,053,118.85 and 476,812.80

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Solution

The fourth proportional to 763,126.65, 1,053,118.85 and 476,812.80 is: 658,004.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,126.65 : 1,053,118.85 = 476,812.80 : x
  2. Step 2: Convert to fraction form
    763,126.65/1,053,118.85 = 476,812.80/x
  3. Step 3: Cross multiply
    763,126.65x = 1,053,118.85 × 476,812.80
  4. Step 4: Simplify right side
    763,126.65x = 502,140,545,217.22
  5. Step 5: Solve for x
    x = 502,140,545,217.22/763,126.65
  6. Step 6: Final answer
    x = 658,004.21

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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.