Home / 979,877.79-1,352,185.67-544,323.38

Finding the Fourth Proportional to 979,877.79, 1,352,185.67 and 544,323.38

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Solution

The fourth proportional to 979,877.79, 1,352,185.67 and 544,323.38 is: 751,140.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,877.79 : 1,352,185.67 = 544,323.38 : x
  2. Step 2: Convert to fraction form
    979,877.79/1,352,185.67 = 544,323.38/x
  3. Step 3: Cross multiply
    979,877.79x = 1,352,185.67 × 544,323.38
  4. Step 4: Simplify right side
    979,877.79x = 736,026,264,799.42
  5. Step 5: Solve for x
    x = 736,026,264,799.42/979,877.79
  6. Step 6: Final answer
    x = 751,140.88

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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.