Home / 891,270.36-1,229,875.92-523,708.56

Finding the Fourth Proportional to 891,270.36, 1,229,875.92 and 523,708.56

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Solution

The fourth proportional to 891,270.36, 1,229,875.92 and 523,708.56 is: 722,672.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,270.36 : 1,229,875.92 = 523,708.56 : x
  2. Step 2: Convert to fraction form
    891,270.36/1,229,875.92 = 523,708.56/x
  3. Step 3: Cross multiply
    891,270.36x = 1,229,875.92 × 523,708.56
  4. Step 4: Simplify right side
    891,270.36x = 644,096,547,041.88
  5. Step 5: Solve for x
    x = 644,096,547,041.88/891,270.36
  6. Step 6: Final answer
    x = 722,672.46

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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.