Home / 949,641.89-1,310,505.18-519,921.91

Finding the Fourth Proportional to 949,641.89, 1,310,505.18 and 519,921.91

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Solution

The fourth proportional to 949,641.89, 1,310,505.18 and 519,921.91 is: 717,491.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,641.89 : 1,310,505.18 = 519,921.91 : x
  2. Step 2: Convert to fraction form
    949,641.89/1,310,505.18 = 519,921.91/x
  3. Step 3: Cross multiply
    949,641.89x = 1,310,505.18 × 519,921.91
  4. Step 4: Simplify right side
    949,641.89x = 681,360,356,250.49
  5. Step 5: Solve for x
    x = 681,360,356,250.49/949,641.89
  6. Step 6: Final answer
    x = 717,491.89

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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.