Home / 903,333.40-1,355,000.10-548,456.20

Finding the Fourth Proportional to 903,333.40, 1,355,000.10 and 548,456.20

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Solution

The fourth proportional to 903,333.40, 1,355,000.10 and 548,456.20 is: 822,684.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,333.40 : 1,355,000.10 = 548,456.20 : x
  2. Step 2: Convert to fraction form
    903,333.40/1,355,000.10 = 548,456.20/x
  3. Step 3: Cross multiply
    903,333.40x = 1,355,000.10 × 548,456.20
  4. Step 4: Simplify right side
    903,333.40x = 743,158,205,845.62
  5. Step 5: Solve for x
    x = 743,158,205,845.62/903,333.40
  6. Step 6: Final answer
    x = 822,684.30

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Double scale
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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.