Home / 840,442.98-1,159,908.48-467,943.42

Finding the Fourth Proportional to 840,442.98, 1,159,908.48 and 467,943.42

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Solution

The fourth proportional to 840,442.98, 1,159,908.48 and 467,943.42 is: 645,816.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,442.98 : 1,159,908.48 = 467,943.42 : x
  2. Step 2: Convert to fraction form
    840,442.98/1,159,908.48 = 467,943.42/x
  3. Step 3: Cross multiply
    840,442.98x = 1,159,908.48 × 467,943.42
  4. Step 4: Simplify right side
    840,442.98x = 542,771,541,018.20
  5. Step 5: Solve for x
    x = 542,771,541,018.20/840,442.98
  6. Step 6: Final answer
    x = 645,816.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.