Home / 800,976.96-1,201,312.30-240,011.46

Finding the Fourth Proportional to 800,976.96, 1,201,312.30 and 240,011.46

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Solution

The fourth proportional to 800,976.96, 1,201,312.30 and 240,011.46 is: 359,971.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,976.96 : 1,201,312.30 = 240,011.46 : x
  2. Step 2: Convert to fraction form
    800,976.96/1,201,312.30 = 240,011.46/x
  3. Step 3: Cross multiply
    800,976.96x = 1,201,312.30 × 240,011.46
  4. Step 4: Simplify right side
    800,976.96x = 288,328,719,038.96
  5. Step 5: Solve for x
    x = 288,328,719,038.96/800,976.96
  6. Step 6: Final answer
    x = 359,971.30

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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.