Home / 822,348.72-1,234,597.36-660,329.28

Finding the Fourth Proportional to 822,348.72, 1,234,597.36 and 660,329.28

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Solution

The fourth proportional to 822,348.72, 1,234,597.36 and 660,329.28 is: 991,356.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,348.72 : 1,234,597.36 = 660,329.28 : x
  2. Step 2: Convert to fraction form
    822,348.72/1,234,597.36 = 660,329.28/x
  3. Step 3: Cross multiply
    822,348.72x = 1,234,597.36 × 660,329.28
  4. Step 4: Simplify right side
    822,348.72x = 815,240,785,818.70
  5. Step 5: Solve for x
    x = 815,240,785,818.70/822,348.72
  6. Step 6: Final answer
    x = 991,356.54

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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.