Home / 838,758.60-1,157,535.48-631,656.12

Finding the Fourth Proportional to 838,758.60, 1,157,535.48 and 631,656.12

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Solution

The fourth proportional to 838,758.60, 1,157,535.48 and 631,656.12 is: 871,722.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,758.60 : 1,157,535.48 = 631,656.12 : x
  2. Step 2: Convert to fraction form
    838,758.60/1,157,535.48 = 631,656.12/x
  3. Step 3: Cross multiply
    838,758.60x = 1,157,535.48 × 631,656.12
  4. Step 4: Simplify right side
    838,758.60x = 731,164,370,059.14
  5. Step 5: Solve for x
    x = 731,164,370,059.14/838,758.60
  6. Step 6: Final answer
    x = 871,722.05

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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.