Home / 785,840.40-1,084,650.74-480,174.17

Finding the Fourth Proportional to 785,840.40, 1,084,650.74 and 480,174.17

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Solution

The fourth proportional to 785,840.40, 1,084,650.74 and 480,174.17 is: 662,757.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,840.40 : 1,084,650.74 = 480,174.17 : x
  2. Step 2: Convert to fraction form
    785,840.40/1,084,650.74 = 480,174.17/x
  3. Step 3: Cross multiply
    785,840.40x = 1,084,650.74 × 480,174.17
  4. Step 4: Simplify right side
    785,840.40x = 520,821,271,531.01
  5. Step 5: Solve for x
    x = 520,821,271,531.01/785,840.40
  6. Step 6: Final answer
    x = 662,757.06

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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.