Home / 784,612.98-1,178,100.45-448,033.68

Finding the Fourth Proportional to 784,612.98, 1,178,100.45 and 448,033.68

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Solution

The fourth proportional to 784,612.98, 1,178,100.45 and 448,033.68 is: 672,724.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,612.98 : 1,178,100.45 = 448,033.68 : x
  2. Step 2: Convert to fraction form
    784,612.98/1,178,100.45 = 448,033.68/x
  3. Step 3: Cross multiply
    784,612.98x = 1,178,100.45 × 448,033.68
  4. Step 4: Simplify right side
    784,612.98x = 527,828,680,023.16
  5. Step 5: Solve for x
    x = 527,828,680,023.16/784,612.98
  6. Step 6: Final answer
    x = 672,724.89

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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.