Home / 949,669.72-1,310,492.28-519,866.71

Finding the Fourth Proportional to 949,669.72, 1,310,492.28 and 519,866.71

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Solution

The fourth proportional to 949,669.72, 1,310,492.28 and 519,866.71 is: 717,387.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,669.72 : 1,310,492.28 = 519,866.71 : x
  2. Step 2: Convert to fraction form
    949,669.72/1,310,492.28 = 519,866.71/x
  3. Step 3: Cross multiply
    949,669.72x = 1,310,492.28 × 519,866.71
  4. Step 4: Simplify right side
    949,669.72x = 681,281,310,084.00
  5. Step 5: Solve for x
    x = 681,281,310,084.00/949,669.72
  6. Step 6: Final answer
    x = 717,387.63

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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.