Home / 971,220.80-1,456,981.16-331,374.56

Finding the Fourth Proportional to 971,220.80, 1,456,981.16 and 331,374.56

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Solution

The fourth proportional to 971,220.80, 1,456,981.16 and 331,374.56 is: 497,113.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,220.80 : 1,456,981.16 = 331,374.56 : x
  2. Step 2: Convert to fraction form
    971,220.80/1,456,981.16 = 331,374.56/x
  3. Step 3: Cross multiply
    971,220.80x = 1,456,981.16 × 331,374.56
  4. Step 4: Simplify right side
    971,220.80x = 482,806,490,823.29
  5. Step 5: Solve for x
    x = 482,806,490,823.29/971,220.80
  6. Step 6: Final answer
    x = 497,113.01

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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.