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Finding the Fourth Proportional to 738,729.70, 1,108,094.55 and 738,729.70

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Solution

The fourth proportional to 738,729.70, 1,108,094.55 and 738,729.70 is: 1,108,094.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,729.70 : 1,108,094.55 = 738,729.70 : x
  2. Step 2: Convert to fraction form
    738,729.70/1,108,094.55 = 738,729.70/x
  3. Step 3: Cross multiply
    738,729.70x = 1,108,094.55 × 738,729.70
  4. Step 4: Simplify right side
    738,729.70x = 818,582,354,493.14
  5. Step 5: Solve for x
    x = 818,582,354,493.14/738,729.70
  6. Step 6: Final answer
    x = 1,108,094.55

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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.