Home / 714,086.40-1,071,129.60-293,145.60

Finding the Fourth Proportional to 714,086.40, 1,071,129.60 and 293,145.60

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Solution

The fourth proportional to 714,086.40, 1,071,129.60 and 293,145.60 is: 439,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,086.40 : 1,071,129.60 = 293,145.60 : x
  2. Step 2: Convert to fraction form
    714,086.40/1,071,129.60 = 293,145.60/x
  3. Step 3: Cross multiply
    714,086.40x = 1,071,129.60 × 293,145.60
  4. Step 4: Simplify right side
    714,086.40x = 313,996,929,269.76
  5. Step 5: Solve for x
    x = 313,996,929,269.76/714,086.40
  6. Step 6: Final answer
    x = 439,718.40

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Double scale
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Similar ratio
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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.