Home / 637,108.10-955,660.98-436,821.29

Finding the Fourth Proportional to 637,108.10, 955,660.98 and 436,821.29

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Solution

The fourth proportional to 637,108.10, 955,660.98 and 436,821.29 is: 655,231.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,108.10 : 955,660.98 = 436,821.29 : x
  2. Step 2: Convert to fraction form
    637,108.10/955,660.98 = 436,821.29/x
  3. Step 3: Cross multiply
    637,108.10x = 955,660.98 × 436,821.29
  4. Step 4: Simplify right side
    637,108.10x = 417,453,062,086.26
  5. Step 5: Solve for x
    x = 417,453,062,086.26/637,108.10
  6. Step 6: Final answer
    x = 655,231.13

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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.