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Finding the Fourth Proportional to 610,520.60, 915,521.70 and 295,074.20

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Solution

The fourth proportional to 610,520.60, 915,521.70 and 295,074.20 is: 442,486.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,520.60 : 915,521.70 = 295,074.20 : x
  2. Step 2: Convert to fraction form
    610,520.60/915,521.70 = 295,074.20/x
  3. Step 3: Cross multiply
    610,520.60x = 915,521.70 × 295,074.20
  4. Step 4: Simplify right side
    610,520.60x = 270,146,833,210.14
  5. Step 5: Solve for x
    x = 270,146,833,210.14/610,520.60
  6. Step 6: Final answer
    x = 442,486.02

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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.