Home / 648,172.08-894,654.18-376,325.10

Finding the Fourth Proportional to 648,172.08, 894,654.18 and 376,325.10

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Solution

The fourth proportional to 648,172.08, 894,654.18 and 376,325.10 is: 519,431.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,172.08 : 894,654.18 = 376,325.10 : x
  2. Step 2: Convert to fraction form
    648,172.08/894,654.18 = 376,325.10/x
  3. Step 3: Cross multiply
    648,172.08x = 894,654.18 × 376,325.10
  4. Step 4: Simplify right side
    648,172.08x = 336,680,823,753.92
  5. Step 5: Solve for x
    x = 336,680,823,753.92/648,172.08
  6. Step 6: Final answer
    x = 519,431.23

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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.