Home / 848,165.60-1,272,248.40-287,200.10

Finding the Fourth Proportional to 848,165.60, 1,272,248.40 and 287,200.10

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Solution

The fourth proportional to 848,165.60, 1,272,248.40 and 287,200.10 is: 430,800.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,165.60 : 1,272,248.40 = 287,200.10 : x
  2. Step 2: Convert to fraction form
    848,165.60/1,272,248.40 = 287,200.10/x
  3. Step 3: Cross multiply
    848,165.60x = 1,272,248.40 × 287,200.10
  4. Step 4: Simplify right side
    848,165.60x = 365,389,867,704.84
  5. Step 5: Solve for x
    x = 365,389,867,704.84/848,165.60
  6. Step 6: Final answer
    x = 430,800.15

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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.