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Finding the Fourth Proportional to 605,660.20, 907,712.70 and 464,720.20

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Solution

The fourth proportional to 605,660.20, 907,712.70 and 464,720.20 is: 696,483.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,660.20 : 907,712.70 = 464,720.20 : x
  2. Step 2: Convert to fraction form
    605,660.20/907,712.70 = 464,720.20/x
  3. Step 3: Cross multiply
    605,660.20x = 907,712.70 × 464,720.20
  4. Step 4: Simplify right side
    605,660.20x = 421,832,427,486.54
  5. Step 5: Solve for x
    x = 421,832,427,486.54/605,660.20
  6. Step 6: Final answer
    x = 696,483.65

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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.