Home / 559,449.96-839,087.80-306,854.72

Finding the Fourth Proportional to 559,449.96, 839,087.80 and 306,854.72

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Solution

The fourth proportional to 559,449.96, 839,087.80 and 306,854.72 is: 460,234.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,449.96 : 839,087.80 = 306,854.72 : x
  2. Step 2: Convert to fraction form
    559,449.96/839,087.80 = 306,854.72/x
  3. Step 3: Cross multiply
    559,449.96x = 839,087.80 × 306,854.72
  4. Step 4: Simplify right side
    559,449.96x = 257,478,051,924.42
  5. Step 5: Solve for x
    x = 257,478,051,924.42/559,449.96
  6. Step 6: Final answer
    x = 460,234.28

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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.