Home / 688,572.12-1,032,435.36-239,099.88

Finding the Fourth Proportional to 688,572.12, 1,032,435.36 and 239,099.88

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Solution

The fourth proportional to 688,572.12, 1,032,435.36 and 239,099.88 is: 358,503.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,572.12 : 1,032,435.36 = 239,099.88 : x
  2. Step 2: Convert to fraction form
    688,572.12/1,032,435.36 = 239,099.88/x
  3. Step 3: Cross multiply
    688,572.12x = 1,032,435.36 × 239,099.88
  4. Step 4: Simplify right side
    688,572.12x = 246,855,170,683.76
  5. Step 5: Solve for x
    x = 246,855,170,683.76/688,572.12
  6. Step 6: Final answer
    x = 358,503.00

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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.