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Finding the Fourth Proportional to 605,698.20, 908,547.30 and 463,980.60

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Solution

The fourth proportional to 605,698.20, 908,547.30 and 463,980.60 is: 695,970.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,698.20 : 908,547.30 = 463,980.60 : x
  2. Step 2: Convert to fraction form
    605,698.20/908,547.30 = 463,980.60/x
  3. Step 3: Cross multiply
    605,698.20x = 908,547.30 × 463,980.60
  4. Step 4: Simplify right side
    605,698.20x = 421,548,321,382.38
  5. Step 5: Solve for x
    x = 421,548,321,382.38/605,698.20
  6. Step 6: Final answer
    x = 695,970.90

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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.