Home / 822,182.90-1,233,274.35-402,278.90

Finding the Fourth Proportional to 822,182.90, 1,233,274.35 and 402,278.90

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Solution

The fourth proportional to 822,182.90, 1,233,274.35 and 402,278.90 is: 603,418.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,182.90 : 1,233,274.35 = 402,278.90 : x
  2. Step 2: Convert to fraction form
    822,182.90/1,233,274.35 = 402,278.90/x
  3. Step 3: Cross multiply
    822,182.90x = 1,233,274.35 × 402,278.90
  4. Step 4: Simplify right side
    822,182.90x = 496,120,248,916.22
  5. Step 5: Solve for x
    x = 496,120,248,916.22/822,182.90
  6. Step 6: Final answer
    x = 603,418.35

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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.