Home / 989,817.39-1,365,951.63-537,108.39

Finding the Fourth Proportional to 989,817.39, 1,365,951.63 and 537,108.39

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Solution

The fourth proportional to 989,817.39, 1,365,951.63 and 537,108.39 is: 741,211.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,817.39 : 1,365,951.63 = 537,108.39 : x
  2. Step 2: Convert to fraction form
    989,817.39/1,365,951.63 = 537,108.39/x
  3. Step 3: Cross multiply
    989,817.39x = 1,365,951.63 × 537,108.39
  4. Step 4: Simplify right side
    989,817.39x = 733,664,080,807.18
  5. Step 5: Solve for x
    x = 733,664,080,807.18/989,817.39
  6. Step 6: Final answer
    x = 741,211.55

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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.