Home / 869,335.54-1,199,665.18-482,088.48

Finding the Fourth Proportional to 869,335.54, 1,199,665.18 and 482,088.48

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Solution

The fourth proportional to 869,335.54, 1,199,665.18 and 482,088.48 is: 665,272.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,335.54 : 1,199,665.18 = 482,088.48 : x
  2. Step 2: Convert to fraction form
    869,335.54/1,199,665.18 = 482,088.48/x
  3. Step 3: Cross multiply
    869,335.54x = 1,199,665.18 × 482,088.48
  4. Step 4: Simplify right side
    869,335.54x = 578,344,763,135.13
  5. Step 5: Solve for x
    x = 578,344,763,135.13/869,335.54
  6. Step 6: Final answer
    x = 665,272.20

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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.