Home / 989,928.08-1,366,101.60-537,219.04

Finding the Fourth Proportional to 989,928.08, 1,366,101.60 and 537,219.04

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Solution

The fourth proportional to 989,928.08, 1,366,101.60 and 537,219.04 is: 741,362.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,928.08 : 1,366,101.60 = 537,219.04 : x
  2. Step 2: Convert to fraction form
    989,928.08/1,366,101.60 = 537,219.04/x
  3. Step 3: Cross multiply
    989,928.08x = 1,366,101.60 × 537,219.04
  4. Step 4: Simplify right side
    989,928.08x = 733,895,790,094.46
  5. Step 5: Solve for x
    x = 733,895,790,094.46/989,928.08
  6. Step 6: Final answer
    x = 741,362.74

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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.