Home / 688,625.60-1,032,938.40-529,193.30

Finding the Fourth Proportional to 688,625.60, 1,032,938.40 and 529,193.30

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Solution

The fourth proportional to 688,625.60, 1,032,938.40 and 529,193.30 is: 793,789.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,625.60 : 1,032,938.40 = 529,193.30 : x
  2. Step 2: Convert to fraction form
    688,625.60/1,032,938.40 = 529,193.30/x
  3. Step 3: Cross multiply
    688,625.60x = 1,032,938.40 × 529,193.30
  4. Step 4: Simplify right side
    688,625.60x = 546,624,080,592.72
  5. Step 5: Solve for x
    x = 546,624,080,592.72/688,625.60
  6. Step 6: Final answer
    x = 793,789.95

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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.