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Finding the Fourth Proportional to 608,549.80, 912,824.70 and 608,549.80

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Solution

The fourth proportional to 608,549.80, 912,824.70 and 608,549.80 is: 912,824.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,549.80 : 912,824.70 = 608,549.80 : x
  2. Step 2: Convert to fraction form
    608,549.80/912,824.70 = 608,549.80/x
  3. Step 3: Cross multiply
    608,549.80x = 912,824.70 × 608,549.80
  4. Step 4: Simplify right side
    608,549.80x = 555,499,288,620.06
  5. Step 5: Solve for x
    x = 555,499,288,620.06/608,549.80
  6. Step 6: Final answer
    x = 912,824.70

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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.