Home / 955,204.60-1,318,172.88-525,485.20

Finding the Fourth Proportional to 955,204.60, 1,318,172.88 and 525,485.20

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Solution

The fourth proportional to 955,204.60, 1,318,172.88 and 525,485.20 is: 725,164.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,204.60 : 1,318,172.88 = 525,485.20 : x
  2. Step 2: Convert to fraction form
    955,204.60/1,318,172.88 = 525,485.20/x
  3. Step 3: Cross multiply
    955,204.60x = 1,318,172.88 × 525,485.20
  4. Step 4: Simplify right side
    955,204.60x = 692,680,339,481.38
  5. Step 5: Solve for x
    x = 692,680,339,481.38/955,204.60
  6. Step 6: Final answer
    x = 725,164.37

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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.