Home / 770,542.20-1,154,258.10-437,729.40

Finding the Fourth Proportional to 770,542.20, 1,154,258.10 and 437,729.40

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Solution

The fourth proportional to 770,542.20, 1,154,258.10 and 437,729.40 is: 655,710.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,542.20 : 1,154,258.10 = 437,729.40 : x
  2. Step 2: Convert to fraction form
    770,542.20/1,154,258.10 = 437,729.40/x
  3. Step 3: Cross multiply
    770,542.20x = 1,154,258.10 × 437,729.40
  4. Step 4: Simplify right side
    770,542.20x = 505,252,705,558.14
  5. Step 5: Solve for x
    x = 505,252,705,558.14/770,542.20
  6. Step 6: Final answer
    x = 655,710.62

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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.