Home / 890,156.32-1,335,444.54-291,115.15

Finding the Fourth Proportional to 890,156.32, 1,335,444.54 and 291,115.15

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Solution

The fourth proportional to 890,156.32, 1,335,444.54 and 291,115.15 is: 436,741.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,156.32 : 1,335,444.54 = 291,115.15 : x
  2. Step 2: Convert to fraction form
    890,156.32/1,335,444.54 = 291,115.15/x
  3. Step 3: Cross multiply
    890,156.32x = 1,335,444.54 × 291,115.15
  4. Step 4: Simplify right side
    890,156.32x = 388,768,137,578.78
  5. Step 5: Solve for x
    x = 388,768,137,578.78/890,156.32
  6. Step 6: Final answer
    x = 436,741.42

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Double scale
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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.