Home / 688,718.44-1,032,999.90-239,363.56

Finding the Fourth Proportional to 688,718.44, 1,032,999.90 and 239,363.56

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Solution

The fourth proportional to 688,718.44, 1,032,999.90 and 239,363.56 is: 359,018.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,718.44 : 1,032,999.90 = 239,363.56 : x
  2. Step 2: Convert to fraction form
    688,718.44/1,032,999.90 = 239,363.56/x
  3. Step 3: Cross multiply
    688,718.44x = 1,032,999.90 × 239,363.56
  4. Step 4: Simplify right side
    688,718.44x = 247,262,533,543.64
  5. Step 5: Solve for x
    x = 247,262,533,543.64/688,718.44
  6. Step 6: Final answer
    x = 359,018.31

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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.