Home / 822,657.60-1,233,403.20-317,023.20

Finding the Fourth Proportional to 822,657.60, 1,233,403.20 and 317,023.20

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Solution

The fourth proportional to 822,657.60, 1,233,403.20 and 317,023.20 is: 475,310.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,657.60 : 1,233,403.20 = 317,023.20 : x
  2. Step 2: Convert to fraction form
    822,657.60/1,233,403.20 = 317,023.20/x
  3. Step 3: Cross multiply
    822,657.60x = 1,233,403.20 × 317,023.20
  4. Step 4: Simplify right side
    822,657.60x = 391,017,429,354.24
  5. Step 5: Solve for x
    x = 391,017,429,354.24/822,657.60
  6. Step 6: Final answer
    x = 475,310.06

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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.