Home / 939,513-1,409,257.18-229,547.19

Finding the Fourth Proportional to 939,513, 1,409,257.18 and 229,547.19

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Solution

The fourth proportional to 939,513, 1,409,257.18 and 229,547.19 is: 344,317.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,513 : 1,409,257.18 = 229,547.19 : x
  2. Step 2: Convert to fraction form
    939,513/1,409,257.18 = 229,547.19/x
  3. Step 3: Cross multiply
    939,513x = 1,409,257.18 × 229,547.19
  4. Step 4: Simplify right side
    939,513x = 323,491,025,656.32
  5. Step 5: Solve for x
    x = 323,491,025,656.32/939,513
  6. Step 6: Final answer
    x = 344,317.77

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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.