Home / 785,841.40-1,084,652.12-480,175.17

Finding the Fourth Proportional to 785,841.40, 1,084,652.12 and 480,175.17

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Solution

The fourth proportional to 785,841.40, 1,084,652.12 and 480,175.17 is: 662,758.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,841.40 : 1,084,652.12 = 480,175.17 : x
  2. Step 2: Convert to fraction form
    785,841.40/1,084,652.12 = 480,175.17/x
  3. Step 3: Cross multiply
    785,841.40x = 1,084,652.12 × 480,175.17
  4. Step 4: Simplify right side
    785,841.40x = 520,823,016,111.86
  5. Step 5: Solve for x
    x = 520,823,016,111.86/785,841.40
  6. Step 6: Final answer
    x = 662,758.43

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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.