Home / 886,742.40-1,223,266.02-523,990.74

Finding the Fourth Proportional to 886,742.40, 1,223,266.02 and 523,990.74

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Solution

The fourth proportional to 886,742.40, 1,223,266.02 and 523,990.74 is: 722,848.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,742.40 : 1,223,266.02 = 523,990.74 : x
  2. Step 2: Convert to fraction form
    886,742.40/1,223,266.02 = 523,990.74/x
  3. Step 3: Cross multiply
    886,742.40x = 1,223,266.02 × 523,990.74
  4. Step 4: Simplify right side
    886,742.40x = 640,980,067,036.66
  5. Step 5: Solve for x
    x = 640,980,067,036.66/886,742.40
  6. Step 6: Final answer
    x = 722,848.11

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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.