Home / 710,491.20-1,065,736.80-619,252.80

Finding the Fourth Proportional to 710,491.20, 1,065,736.80 and 619,252.80

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Solution

The fourth proportional to 710,491.20, 1,065,736.80 and 619,252.80 is: 928,879.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,491.20 : 1,065,736.80 = 619,252.80 : x
  2. Step 2: Convert to fraction form
    710,491.20/1,065,736.80 = 619,252.80/x
  3. Step 3: Cross multiply
    710,491.20x = 1,065,736.80 × 619,252.80
  4. Step 4: Simplify right side
    710,491.20x = 659,960,497,463.04
  5. Step 5: Solve for x
    x = 659,960,497,463.04/710,491.20
  6. Step 6: Final answer
    x = 928,879.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.