Home / 516,264.40-774,396.60-485,160.40

Finding the Fourth Proportional to 516,264.40, 774,396.60 and 485,160.40

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Solution

The fourth proportional to 516,264.40, 774,396.60 and 485,160.40 is: 727,740.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,264.40 : 774,396.60 = 485,160.40 : x
  2. Step 2: Convert to fraction form
    516,264.40/774,396.60 = 485,160.40/x
  3. Step 3: Cross multiply
    516,264.40x = 774,396.60 × 485,160.40
  4. Step 4: Simplify right side
    516,264.40x = 375,706,564,214.64
  5. Step 5: Solve for x
    x = 375,706,564,214.64/516,264.40
  6. Step 6: Final answer
    x = 727,740.60

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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.