Home / 688,023.60-1,029,702.60-604,042.80

Finding the Fourth Proportional to 688,023.60, 1,029,702.60 and 604,042.80

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Solution

The fourth proportional to 688,023.60, 1,029,702.60 and 604,042.80 is: 904,016.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,023.60 : 1,029,702.60 = 604,042.80 : x
  2. Step 2: Convert to fraction form
    688,023.60/1,029,702.60 = 604,042.80/x
  3. Step 3: Cross multiply
    688,023.60x = 1,029,702.60 × 604,042.80
  4. Step 4: Simplify right side
    688,023.60x = 621,984,441,671.28
  5. Step 5: Solve for x
    x = 621,984,441,671.28/688,023.60
  6. Step 6: Final answer
    x = 904,016.14

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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.