Home / 740,080.92-1,021,311.63-400,549.17

Finding the Fourth Proportional to 740,080.92, 1,021,311.63 and 400,549.17

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Solution

The fourth proportional to 740,080.92, 1,021,311.63 and 400,549.17 is: 552,757.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,080.92 : 1,021,311.63 = 400,549.17 : x
  2. Step 2: Convert to fraction form
    740,080.92/1,021,311.63 = 400,549.17/x
  3. Step 3: Cross multiply
    740,080.92x = 1,021,311.63 × 400,549.17
  4. Step 4: Simplify right side
    740,080.92x = 409,085,525,707.85
  5. Step 5: Solve for x
    x = 409,085,525,707.85/740,080.92
  6. Step 6: Final answer
    x = 552,757.83

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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.