Home / 727,575.12-1,004,053.04-421,829

Finding the Fourth Proportional to 727,575.12, 1,004,053.04 and 421,829

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Solution

The fourth proportional to 727,575.12, 1,004,053.04 and 421,829 is: 582,123.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,575.12 : 1,004,053.04 = 421,829 : x
  2. Step 2: Convert to fraction form
    727,575.12/1,004,053.04 = 421,829/x
  3. Step 3: Cross multiply
    727,575.12x = 1,004,053.04 × 421,829
  4. Step 4: Simplify right side
    727,575.12x = 423,538,689,810.16
  5. Step 5: Solve for x
    x = 423,538,689,810.16/727,575.12
  6. Step 6: Final answer
    x = 582,123.66

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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.