Home / 907,922.95-1,252,885.05-499,945.17

Finding the Fourth Proportional to 907,922.95, 1,252,885.05 and 499,945.17

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Solution

The fourth proportional to 907,922.95, 1,252,885.05 and 499,945.17 is: 689,897.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,922.95 : 1,252,885.05 = 499,945.17 : x
  2. Step 2: Convert to fraction form
    907,922.95/1,252,885.05 = 499,945.17/x
  3. Step 3: Cross multiply
    907,922.95x = 1,252,885.05 × 499,945.17
  4. Step 4: Simplify right side
    907,922.95x = 626,373,829,312.71
  5. Step 5: Solve for x
    x = 626,373,829,312.71/907,922.95
  6. Step 6: Final answer
    x = 689,897.56

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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.