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Finding the Fourth Proportional to 898,400.60, 1,347,600.90 and 365,647.40

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Solution

The fourth proportional to 898,400.60, 1,347,600.90 and 365,647.40 is: 548,471.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,400.60 : 1,347,600.90 = 365,647.40 : x
  2. Step 2: Convert to fraction form
    898,400.60/1,347,600.90 = 365,647.40/x
  3. Step 3: Cross multiply
    898,400.60x = 1,347,600.90 × 365,647.40
  4. Step 4: Simplify right side
    898,400.60x = 492,746,765,322.66
  5. Step 5: Solve for x
    x = 492,746,765,322.66/898,400.60
  6. Step 6: Final answer
    x = 548,471.10

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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.