Home / 890,900.32-1,337,050.32-491,816.56

Finding the Fourth Proportional to 890,900.32, 1,337,050.32 and 491,816.56

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Solution

The fourth proportional to 890,900.32, 1,337,050.32 and 491,816.56 is: 738,111.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,900.32 : 1,337,050.32 = 491,816.56 : x
  2. Step 2: Convert to fraction form
    890,900.32/1,337,050.32 = 491,816.56/x
  3. Step 3: Cross multiply
    890,900.32x = 1,337,050.32 × 491,816.56
  4. Step 4: Simplify right side
    890,900.32x = 657,583,488,929.30
  5. Step 5: Solve for x
    x = 657,583,488,929.30/890,900.32
  6. Step 6: Final answer
    x = 738,111.18

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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.