Home / 763,191.12-1,053,287.52-436,534.80

Finding the Fourth Proportional to 763,191.12, 1,053,287.52 and 436,534.80

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Solution

The fourth proportional to 763,191.12, 1,053,287.52 and 436,534.80 is: 602,465.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,191.12 : 1,053,287.52 = 436,534.80 : x
  2. Step 2: Convert to fraction form
    763,191.12/1,053,287.52 = 436,534.80/x
  3. Step 3: Cross multiply
    763,191.12x = 1,053,287.52 × 436,534.80
  4. Step 4: Simplify right side
    763,191.12x = 459,796,656,885.70
  5. Step 5: Solve for x
    x = 459,796,656,885.70/763,191.12
  6. Step 6: Final answer
    x = 602,465.94

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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.