Home / 884,401.46-1,220,478.14-502,449.20

Finding the Fourth Proportional to 884,401.46, 1,220,478.14 and 502,449.20

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Solution

The fourth proportional to 884,401.46, 1,220,478.14 and 502,449.20 is: 693,382.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,401.46 : 1,220,478.14 = 502,449.20 : x
  2. Step 2: Convert to fraction form
    884,401.46/1,220,478.14 = 502,449.20/x
  3. Step 3: Cross multiply
    884,401.46x = 1,220,478.14 × 502,449.20
  4. Step 4: Simplify right side
    884,401.46x = 613,228,265,060.49
  5. Step 5: Solve for x
    x = 613,228,265,060.49/884,401.46
  6. Step 6: Final answer
    x = 693,382.24

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Half scale
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Double scale
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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.