Home / 890,231.70-1,335,347.55-357,834.90

Finding the Fourth Proportional to 890,231.70, 1,335,347.55 and 357,834.90

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Solution

The fourth proportional to 890,231.70, 1,335,347.55 and 357,834.90 is: 536,752.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,231.70 : 1,335,347.55 = 357,834.90 : x
  2. Step 2: Convert to fraction form
    890,231.70/1,335,347.55 = 357,834.90/x
  3. Step 3: Cross multiply
    890,231.70x = 1,335,347.55 × 357,834.90
  4. Step 4: Simplify right side
    890,231.70x = 477,833,957,019.50
  5. Step 5: Solve for x
    x = 477,833,957,019.50/890,231.70
  6. Step 6: Final answer
    x = 536,752.35

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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.