Home / 890,113.68-1,334,856.08-384,654.24

Finding the Fourth Proportional to 890,113.68, 1,334,856.08 and 384,654.24

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Solution

The fourth proportional to 890,113.68, 1,334,856.08 and 384,654.24 is: 576,845.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,113.68 : 1,334,856.08 = 384,654.24 : x
  2. Step 2: Convert to fraction form
    890,113.68/1,334,856.08 = 384,654.24/x
  3. Step 3: Cross multiply
    890,113.68x = 1,334,856.08 × 384,654.24
  4. Step 4: Simplify right side
    890,113.68x = 513,458,050,961.78
  5. Step 5: Solve for x
    x = 513,458,050,961.78/890,113.68
  6. Step 6: Final answer
    x = 576,845.48

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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.