Home / 627,000.07-865,265.18-340,522.20

Finding the Fourth Proportional to 627,000.07, 865,265.18 and 340,522.20

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Solution

The fourth proportional to 627,000.07, 865,265.18 and 340,522.20 is: 469,923.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,000.07 : 865,265.18 = 340,522.20 : x
  2. Step 2: Convert to fraction form
    627,000.07/865,265.18 = 340,522.20/x
  3. Step 3: Cross multiply
    627,000.07x = 865,265.18 × 340,522.20
  4. Step 4: Simplify right side
    627,000.07x = 294,642,000,974.39
  5. Step 5: Solve for x
    x = 294,642,000,974.39/627,000.07
  6. Step 6: Final answer
    x = 469,923.40

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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.