Home / 671,330.50-1,006,174.95-315,872.26

Finding the Fourth Proportional to 671,330.50, 1,006,174.95 and 315,872.26

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Solution

The fourth proportional to 671,330.50, 1,006,174.95 and 315,872.26 is: 473,422.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,330.50 : 1,006,174.95 = 315,872.26 : x
  2. Step 2: Convert to fraction form
    671,330.50/1,006,174.95 = 315,872.26/x
  3. Step 3: Cross multiply
    671,330.50x = 1,006,174.95 × 315,872.26
  4. Step 4: Simplify right side
    671,330.50x = 317,822,755,411.89
  5. Step 5: Solve for x
    x = 317,822,755,411.89/671,330.50
  6. Step 6: Final answer
    x = 473,422.19

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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.