Home / 885,870.06-1,328,980.17-324,909.42

Finding the Fourth Proportional to 885,870.06, 1,328,980.17 and 324,909.42

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Solution

The fourth proportional to 885,870.06, 1,328,980.17 and 324,909.42 is: 487,428.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,870.06 : 1,328,980.17 = 324,909.42 : x
  2. Step 2: Convert to fraction form
    885,870.06/1,328,980.17 = 324,909.42/x
  3. Step 3: Cross multiply
    885,870.06x = 1,328,980.17 × 324,909.42
  4. Step 4: Simplify right side
    885,870.06x = 431,798,176,226.20
  5. Step 5: Solve for x
    x = 431,798,176,226.20/885,870.06
  6. Step 6: Final answer
    x = 487,428.34

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1.5x scale

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.