Home / 688,635.70-1,032,953.55-239,207.20

Finding the Fourth Proportional to 688,635.70, 1,032,953.55 and 239,207.20

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Solution

The fourth proportional to 688,635.70, 1,032,953.55 and 239,207.20 is: 358,810.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,635.70 : 1,032,953.55 = 239,207.20 : x
  2. Step 2: Convert to fraction form
    688,635.70/1,032,953.55 = 239,207.20/x
  3. Step 3: Cross multiply
    688,635.70x = 1,032,953.55 × 239,207.20
  4. Step 4: Simplify right side
    688,635.70x = 247,089,926,425.56
  5. Step 5: Solve for x
    x = 247,089,926,425.56/688,635.70
  6. Step 6: Final answer
    x = 358,810.80

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Similar ratio
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1.5x scale

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.