Home / 822,400.32-1,233,880.60-443,357.50

Finding the Fourth Proportional to 822,400.32, 1,233,880.60 and 443,357.50

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Solution

The fourth proportional to 822,400.32, 1,233,880.60 and 443,357.50 is: 665,187.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,400.32 : 1,233,880.60 = 443,357.50 : x
  2. Step 2: Convert to fraction form
    822,400.32/1,233,880.60 = 443,357.50/x
  3. Step 3: Cross multiply
    822,400.32x = 1,233,880.60 × 443,357.50
  4. Step 4: Simplify right side
    822,400.32x = 547,050,218,313.17
  5. Step 5: Solve for x
    x = 547,050,218,313.17/822,400.32
  6. Step 6: Final answer
    x = 665,187.26

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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.