Home / 890,062.36-1,335,175.62-291,026.59

Finding the Fourth Proportional to 890,062.36, 1,335,175.62 and 291,026.59

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Solution

The fourth proportional to 890,062.36, 1,335,175.62 and 291,026.59 is: 436,566.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,062.36 : 1,335,175.62 = 291,026.59 : x
  2. Step 2: Convert to fraction form
    890,062.36/1,335,175.62 = 291,026.59/x
  3. Step 3: Cross multiply
    890,062.36x = 1,335,175.62 × 291,026.59
  4. Step 4: Simplify right side
    890,062.36x = 388,571,607,739.74
  5. Step 5: Solve for x
    x = 388,571,607,739.74/890,062.36
  6. Step 6: Final answer
    x = 436,566.72

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Double scale
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Similar ratio
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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.