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Finding the Fourth Proportional to 567,246.80, 850,870.20 and 315,304.40

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Solution

The fourth proportional to 567,246.80, 850,870.20 and 315,304.40 is: 472,956.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,246.80 : 850,870.20 = 315,304.40 : x
  2. Step 2: Convert to fraction form
    567,246.80/850,870.20 = 315,304.40/x
  3. Step 3: Cross multiply
    567,246.80x = 850,870.20 × 315,304.40
  4. Step 4: Simplify right side
    567,246.80x = 268,283,117,888.88
  5. Step 5: Solve for x
    x = 268,283,117,888.88/567,246.80
  6. Step 6: Final answer
    x = 472,956.60

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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.