Home / 948,851.74-1,309,434.31-519,141.09

Finding the Fourth Proportional to 948,851.74, 1,309,434.31 and 519,141.09

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Solution

The fourth proportional to 948,851.74, 1,309,434.31 and 519,141.09 is: 716,425.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,851.74 : 1,309,434.31 = 519,141.09 : x
  2. Step 2: Convert to fraction form
    948,851.74/1,309,434.31 = 519,141.09/x
  3. Step 3: Cross multiply
    948,851.74x = 1,309,434.31 × 519,141.09
  4. Step 4: Simplify right side
    948,851.74x = 679,781,154,976.80
  5. Step 5: Solve for x
    x = 679,781,154,976.80/948,851.74
  6. Step 6: Final answer
    x = 716,425.05

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1.5x scale

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.