Home / 770,972.96-1,156,320.12-209,876.24

Finding the Fourth Proportional to 770,972.96, 1,156,320.12 and 209,876.24

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Solution

The fourth proportional to 770,972.96, 1,156,320.12 and 209,876.24 is: 314,776.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,972.96 : 1,156,320.12 = 209,876.24 : x
  2. Step 2: Convert to fraction form
    770,972.96/1,156,320.12 = 209,876.24/x
  3. Step 3: Cross multiply
    770,972.96x = 1,156,320.12 × 209,876.24
  4. Step 4: Simplify right side
    770,972.96x = 242,684,119,021.95
  5. Step 5: Solve for x
    x = 242,684,119,021.95/770,972.96
  6. Step 6: Final answer
    x = 314,776.43

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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.