Home / 896,459.20-1,344,688.80-335,420.80

Finding the Fourth Proportional to 896,459.20, 1,344,688.80 and 335,420.80

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Solution

The fourth proportional to 896,459.20, 1,344,688.80 and 335,420.80 is: 503,131.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,459.20 : 1,344,688.80 = 335,420.80 : x
  2. Step 2: Convert to fraction form
    896,459.20/1,344,688.80 = 335,420.80/x
  3. Step 3: Cross multiply
    896,459.20x = 1,344,688.80 × 335,420.80
  4. Step 4: Simplify right side
    896,459.20x = 451,036,593,047.04
  5. Step 5: Solve for x
    x = 451,036,593,047.04/896,459.20
  6. Step 6: Final answer
    x = 503,131.20

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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.