Home / 470,534.88-649,265.04-279,543.36

Finding the Fourth Proportional to 470,534.88, 649,265.04 and 279,543.36

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Solution

The fourth proportional to 470,534.88, 649,265.04 and 279,543.36 is: 385,726.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,534.88 : 649,265.04 = 279,543.36 : x
  2. Step 2: Convert to fraction form
    470,534.88/649,265.04 = 279,543.36/x
  3. Step 3: Cross multiply
    470,534.88x = 649,265.04 × 279,543.36
  4. Step 4: Simplify right side
    470,534.88x = 181,497,730,812.13
  5. Step 5: Solve for x
    x = 181,497,730,812.13/470,534.88
  6. Step 6: Final answer
    x = 385,726.41

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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.