Home / 948,573.12-1,309,041.20-518,843.80

Finding the Fourth Proportional to 948,573.12, 1,309,041.20 and 518,843.80

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Solution

The fourth proportional to 948,573.12, 1,309,041.20 and 518,843.80 is: 716,010.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,573.12 : 1,309,041.20 = 518,843.80 : x
  2. Step 2: Convert to fraction form
    948,573.12/1,309,041.20 = 518,843.80/x
  3. Step 3: Cross multiply
    948,573.12x = 1,309,041.20 × 518,843.80
  4. Step 4: Simplify right side
    948,573.12x = 679,187,910,564.56
  5. Step 5: Solve for x
    x = 679,187,910,564.56/948,573.12
  6. Step 6: Final answer
    x = 716,010.07

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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.