Home / 989,827.76-1,365,965.94-537,118.76

Finding the Fourth Proportional to 989,827.76, 1,365,965.94 and 537,118.76

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Solution

The fourth proportional to 989,827.76, 1,365,965.94 and 537,118.76 is: 741,225.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,827.76 : 1,365,965.94 = 537,118.76 : x
  2. Step 2: Convert to fraction form
    989,827.76/1,365,965.94 = 537,118.76/x
  3. Step 3: Cross multiply
    989,827.76x = 1,365,965.94 × 537,118.76
  4. Step 4: Simplify right side
    989,827.76x = 733,685,931,895.03
  5. Step 5: Solve for x
    x = 733,685,931,895.03/989,827.76
  6. Step 6: Final answer
    x = 741,225.86

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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.