Home / 890,067.61-1,335,183.50-291,031.84

Finding the Fourth Proportional to 890,067.61, 1,335,183.50 and 291,031.84

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Solution

The fourth proportional to 890,067.61, 1,335,183.50 and 291,031.84 is: 436,574.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,067.61 : 1,335,183.50 = 291,031.84 : x
  2. Step 2: Convert to fraction form
    890,067.61/1,335,183.50 = 291,031.84/x
  3. Step 3: Cross multiply
    890,067.61x = 1,335,183.50 × 291,031.84
  4. Step 4: Simplify right side
    890,067.61x = 388,580,909,287.48
  5. Step 5: Solve for x
    x = 388,580,909,287.48/890,067.61
  6. Step 6: Final answer
    x = 436,574.60

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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.