Home / 890,167.86-1,335,334.14-291,132.36

Finding the Fourth Proportional to 890,167.86, 1,335,334.14 and 291,132.36

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Solution

The fourth proportional to 890,167.86, 1,335,334.14 and 291,132.36 is: 436,725.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,167.86 : 1,335,334.14 = 291,132.36 : x
  2. Step 2: Convert to fraction form
    890,167.86/1,335,334.14 = 291,132.36/x
  3. Step 3: Cross multiply
    890,167.86x = 1,335,334.14 × 291,132.36
  4. Step 4: Simplify right side
    890,167.86x = 388,758,979,566.77
  5. Step 5: Solve for x
    x = 388,758,979,566.77/890,167.86
  6. Step 6: Final answer
    x = 436,725.47

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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.