Home / 989,711.30-1,365,817.47-537,002.30

Finding the Fourth Proportional to 989,711.30, 1,365,817.47 and 537,002.30

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Solution

The fourth proportional to 989,711.30, 1,365,817.47 and 537,002.30 is: 741,071.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,711.30 : 1,365,817.47 = 537,002.30 : x
  2. Step 2: Convert to fraction form
    989,711.30/1,365,817.47 = 537,002.30/x
  3. Step 3: Cross multiply
    989,711.30x = 1,365,817.47 × 537,002.30
  4. Step 4: Simplify right side
    989,711.30x = 733,447,122,770.18
  5. Step 5: Solve for x
    x = 733,447,122,770.18/989,711.30
  6. Step 6: Final answer
    x = 741,071.79

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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.