Home / 927,096.59-1,390,860.54-287,366.39

Finding the Fourth Proportional to 927,096.59, 1,390,860.54 and 287,366.39

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Solution

The fourth proportional to 927,096.59, 1,390,860.54 and 287,366.39 is: 431,116.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,096.59 : 1,390,860.54 = 287,366.39 : x
  2. Step 2: Convert to fraction form
    927,096.59/1,390,860.54 = 287,366.39/x
  3. Step 3: Cross multiply
    927,096.59x = 1,390,860.54 × 287,366.39
  4. Step 4: Simplify right side
    927,096.59x = 399,686,565,418.95
  5. Step 5: Solve for x
    x = 399,686,565,418.95/927,096.59
  6. Step 6: Final answer
    x = 431,116.43

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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.