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Finding the Fourth Proportional to 605,225.60, 907,838.40 and 310,313.60

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Solution

The fourth proportional to 605,225.60, 907,838.40 and 310,313.60 is: 465,470.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,225.60 : 907,838.40 = 310,313.60 : x
  2. Step 2: Convert to fraction form
    605,225.60/907,838.40 = 310,313.60/x
  3. Step 3: Cross multiply
    605,225.60x = 907,838.40 × 310,313.60
  4. Step 4: Simplify right side
    605,225.60x = 281,714,602,122.24
  5. Step 5: Solve for x
    x = 281,714,602,122.24/605,225.60
  6. Step 6: Final answer
    x = 465,470.40

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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.