Home / 657,940.20-985,598.10-377,129.40

Finding the Fourth Proportional to 657,940.20, 985,598.10 and 377,129.40

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Solution

The fourth proportional to 657,940.20, 985,598.10 and 377,129.40 is: 564,941.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,940.20 : 985,598.10 = 377,129.40 : x
  2. Step 2: Convert to fraction form
    657,940.20/985,598.10 = 377,129.40/x
  3. Step 3: Cross multiply
    657,940.20x = 985,598.10 × 377,129.40
  4. Step 4: Simplify right side
    657,940.20x = 371,698,020,094.14
  5. Step 5: Solve for x
    x = 371,698,020,094.14/657,940.20
  6. Step 6: Final answer
    x = 564,941.95

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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.