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Finding the Fourth Proportional to 898,649.87, 1,347,600.04 and 365,809.19

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Solution

The fourth proportional to 898,649.87, 1,347,600.04 and 365,809.19 is: 548,561.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,649.87 : 1,347,600.04 = 365,809.19 : x
  2. Step 2: Convert to fraction form
    898,649.87/1,347,600.04 = 365,809.19/x
  3. Step 3: Cross multiply
    898,649.87x = 1,347,600.04 × 365,809.19
  4. Step 4: Simplify right side
    898,649.87x = 492,964,471,423.85
  5. Step 5: Solve for x
    x = 492,964,471,423.85/898,649.87
  6. Step 6: Final answer
    x = 548,561.23

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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.