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Finding the Fourth Proportional to 550,444.20, 825,666.30 and 550,444.20

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Solution

The fourth proportional to 550,444.20, 825,666.30 and 550,444.20 is: 825,666.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,444.20 : 825,666.30 = 550,444.20 : x
  2. Step 2: Convert to fraction form
    550,444.20/825,666.30 = 550,444.20/x
  3. Step 3: Cross multiply
    550,444.20x = 825,666.30 × 550,444.20
  4. Step 4: Simplify right side
    550,444.20x = 454,483,225,970.46
  5. Step 5: Solve for x
    x = 454,483,225,970.46/550,444.20
  6. Step 6: Final answer
    x = 825,666.30

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Similar ratio
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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.