Home / 989,808.56-1,365,962.28-537,099.92

Finding the Fourth Proportional to 989,808.56, 1,365,962.28 and 537,099.92

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Solution

The fourth proportional to 989,808.56, 1,365,962.28 and 537,099.92 is: 741,212.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,808.56 : 1,365,962.28 = 537,099.92 : x
  2. Step 2: Convert to fraction form
    989,808.56/1,365,962.28 = 537,099.92/x
  3. Step 3: Cross multiply
    989,808.56x = 1,365,962.28 × 537,099.92
  4. Step 4: Simplify right side
    989,808.56x = 733,658,231,311.02
  5. Step 5: Solve for x
    x = 733,658,231,311.02/989,808.56
  6. Step 6: Final answer
    x = 741,212.25

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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.