Home / 688,633.32-1,033,116.48-239,289

Finding the Fourth Proportional to 688,633.32, 1,033,116.48 and 239,289

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Solution

The fourth proportional to 688,633.32, 1,033,116.48 and 239,289 is: 358,991.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,633.32 : 1,033,116.48 = 239,289 : x
  2. Step 2: Convert to fraction form
    688,633.32/1,033,116.48 = 239,289/x
  3. Step 3: Cross multiply
    688,633.32x = 1,033,116.48 × 239,289
  4. Step 4: Simplify right side
    688,633.32x = 247,213,409,382.72
  5. Step 5: Solve for x
    x = 247,213,409,382.72/688,633.32
  6. Step 6: Final answer
    x = 358,991.36

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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.