Home / 890,225.64-1,335,557.34-259,144.92

Finding the Fourth Proportional to 890,225.64, 1,335,557.34 and 259,144.92

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Solution

The fourth proportional to 890,225.64, 1,335,557.34 and 259,144.92 is: 388,781.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,225.64 : 1,335,557.34 = 259,144.92 : x
  2. Step 2: Convert to fraction form
    890,225.64/1,335,557.34 = 259,144.92/x
  3. Step 3: Cross multiply
    890,225.64x = 1,335,557.34 × 259,144.92
  4. Step 4: Simplify right side
    890,225.64x = 346,102,900,029.71
  5. Step 5: Solve for x
    x = 346,102,900,029.71/890,225.64
  6. Step 6: Final answer
    x = 388,781.10

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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.