Home / 845,665.71-1,266,010.25-564,485.55

Finding the Fourth Proportional to 845,665.71, 1,266,010.25 and 564,485.55

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Solution

The fourth proportional to 845,665.71, 1,266,010.25 and 564,485.55 is: 845,067.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,665.71 : 1,266,010.25 = 564,485.55 : x
  2. Step 2: Convert to fraction form
    845,665.71/1,266,010.25 = 564,485.55/x
  3. Step 3: Cross multiply
    845,665.71x = 1,266,010.25 × 564,485.55
  4. Step 4: Simplify right side
    845,665.71x = 714,644,489,454.46
  5. Step 5: Solve for x
    x = 714,644,489,454.46/845,665.71
  6. Step 6: Final answer
    x = 845,067.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.