Home / 787,246.65-1,179,871.42-354,502.39

Finding the Fourth Proportional to 787,246.65, 1,179,871.42 and 354,502.39

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Solution

The fourth proportional to 787,246.65, 1,179,871.42 and 354,502.39 is: 531,303.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,246.65 : 1,179,871.42 = 354,502.39 : x
  2. Step 2: Convert to fraction form
    787,246.65/1,179,871.42 = 354,502.39/x
  3. Step 3: Cross multiply
    787,246.65x = 1,179,871.42 × 354,502.39
  4. Step 4: Simplify right side
    787,246.65x = 418,267,240,723.90
  5. Step 5: Solve for x
    x = 418,267,240,723.90/787,246.65
  6. Step 6: Final answer
    x = 531,303.93

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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.