Home / 754,143.60-1,131,584.14-354,824.12

Finding the Fourth Proportional to 754,143.60, 1,131,584.14 and 354,824.12

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Solution

The fourth proportional to 754,143.60, 1,131,584.14 and 354,824.12 is: 532,409.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,143.60 : 1,131,584.14 = 354,824.12 : x
  2. Step 2: Convert to fraction form
    754,143.60/1,131,584.14 = 354,824.12/x
  3. Step 3: Cross multiply
    754,143.60x = 1,131,584.14 × 354,824.12
  4. Step 4: Simplify right side
    754,143.60x = 401,513,346,681.46
  5. Step 5: Solve for x
    x = 401,513,346,681.46/754,143.60
  6. Step 6: Final answer
    x = 532,409.67

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.