Home / 897,963.76-1,239,218.96-510,769.20

Finding the Fourth Proportional to 897,963.76, 1,239,218.96 and 510,769.20

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Solution

The fourth proportional to 897,963.76, 1,239,218.96 and 510,769.20 is: 704,877.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,963.76 : 1,239,218.96 = 510,769.20 : x
  2. Step 2: Convert to fraction form
    897,963.76/1,239,218.96 = 510,769.20/x
  3. Step 3: Cross multiply
    897,963.76x = 1,239,218.96 × 510,769.20
  4. Step 4: Simplify right side
    897,963.76x = 632,954,876,824.03
  5. Step 5: Solve for x
    x = 632,954,876,824.03/897,963.76
  6. Step 6: Final answer
    x = 704,877.98

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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.