Home / 688,601.40-1,032,902.10-464,652.60

Finding the Fourth Proportional to 688,601.40, 1,032,902.10 and 464,652.60

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Solution

The fourth proportional to 688,601.40, 1,032,902.10 and 464,652.60 is: 696,978.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,601.40 : 1,032,902.10 = 464,652.60 : x
  2. Step 2: Convert to fraction form
    688,601.40/1,032,902.10 = 464,652.60/x
  3. Step 3: Cross multiply
    688,601.40x = 1,032,902.10 × 464,652.60
  4. Step 4: Simplify right side
    688,601.40x = 479,940,646,310.46
  5. Step 5: Solve for x
    x = 479,940,646,310.46/688,601.40
  6. Step 6: Final answer
    x = 696,978.90

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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.