Home / 889,178.04-1,227,065.74-486,770.04

Finding the Fourth Proportional to 889,178.04, 1,227,065.74 and 486,770.04

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Solution

The fourth proportional to 889,178.04, 1,227,065.74 and 486,770.04 is: 671,742.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,178.04 : 1,227,065.74 = 486,770.04 : x
  2. Step 2: Convert to fraction form
    889,178.04/1,227,065.74 = 486,770.04/x
  3. Step 3: Cross multiply
    889,178.04x = 1,227,065.74 × 486,770.04
  4. Step 4: Simplify right side
    889,178.04x = 597,298,839,342.43
  5. Step 5: Solve for x
    x = 597,298,839,342.43/889,178.04
  6. Step 6: Final answer
    x = 671,742.68

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1.5x scale

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.