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Finding the Fourth Proportional to 452,332.55, 624,229.76 and 245,609.65

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Solution

The fourth proportional to 452,332.55, 624,229.76 and 245,609.65 is: 338,947.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,332.55 : 624,229.76 = 245,609.65 : x
  2. Step 2: Convert to fraction form
    452,332.55/624,229.76 = 245,609.65/x
  3. Step 3: Cross multiply
    452,332.55x = 624,229.76 × 245,609.65
  4. Step 4: Simplify right side
    452,332.55x = 153,316,848,523.99
  5. Step 5: Solve for x
    x = 153,316,848,523.99/452,332.55
  6. Step 6: Final answer
    x = 338,947.20

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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.