Home / 948,988.98-1,309,621.21-519,276.29

Finding the Fourth Proportional to 948,988.98, 1,309,621.21 and 519,276.29

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Solution

The fourth proportional to 948,988.98, 1,309,621.21 and 519,276.29 is: 716,610.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,988.98 : 1,309,621.21 = 519,276.29 : x
  2. Step 2: Convert to fraction form
    948,988.98/1,309,621.21 = 519,276.29/x
  3. Step 3: Cross multiply
    948,988.98x = 1,309,621.21 × 519,276.29
  4. Step 4: Simplify right side
    948,988.98x = 680,055,235,387.81
  5. Step 5: Solve for x
    x = 680,055,235,387.81/948,988.98
  6. Step 6: Final answer
    x = 716,610.26

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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.