Home / 891,438.66-1,230,178.02-483,539.46

Finding the Fourth Proportional to 891,438.66, 1,230,178.02 and 483,539.46

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Solution

The fourth proportional to 891,438.66, 1,230,178.02 and 483,539.46 is: 667,280.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,438.66 : 1,230,178.02 = 483,539.46 : x
  2. Step 2: Convert to fraction form
    891,438.66/1,230,178.02 = 483,539.46/x
  3. Step 3: Cross multiply
    891,438.66x = 1,230,178.02 × 483,539.46
  4. Step 4: Simplify right side
    891,438.66x = 594,839,615,494.67
  5. Step 5: Solve for x
    x = 594,839,615,494.67/891,438.66
  6. Step 6: Final answer
    x = 667,280.48

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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.