Home / 891,538.36-1,337,401.02-386,150.45

Finding the Fourth Proportional to 891,538.36, 1,337,401.02 and 386,150.45

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Solution

The fourth proportional to 891,538.36, 1,337,401.02 and 386,150.45 is: 579,266.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,538.36 : 1,337,401.02 = 386,150.45 : x
  2. Step 2: Convert to fraction form
    891,538.36/1,337,401.02 = 386,150.45/x
  3. Step 3: Cross multiply
    891,538.36x = 1,337,401.02 × 386,150.45
  4. Step 4: Simplify right side
    891,538.36x = 516,438,009,046.96
  5. Step 5: Solve for x
    x = 516,438,009,046.96/891,538.36
  6. Step 6: Final answer
    x = 579,266.17

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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.