Home / 949,331.60-1,310,075.40-519,607.97

Finding the Fourth Proportional to 949,331.60, 1,310,075.40 and 519,607.97

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Solution

The fourth proportional to 949,331.60, 1,310,075.40 and 519,607.97 is: 717,057.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,331.60 : 1,310,075.40 = 519,607.97 : x
  2. Step 2: Convert to fraction form
    949,331.60/1,310,075.40 = 519,607.97/x
  3. Step 3: Cross multiply
    949,331.60x = 1,310,075.40 × 519,607.97
  4. Step 4: Simplify right side
    949,331.60x = 680,725,612,590.56
  5. Step 5: Solve for x
    x = 680,725,612,590.56/949,331.60
  6. Step 6: Final answer
    x = 717,057.79

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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.