Home / 578,856.77-867,821.52-275,098.47

Finding the Fourth Proportional to 578,856.77, 867,821.52 and 275,098.47

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Solution

The fourth proportional to 578,856.77, 867,821.52 and 275,098.47 is: 412,427.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,856.77 : 867,821.52 = 275,098.47 : x
  2. Step 2: Convert to fraction form
    578,856.77/867,821.52 = 275,098.47/x
  3. Step 3: Cross multiply
    578,856.77x = 867,821.52 × 275,098.47
  4. Step 4: Simplify right side
    578,856.77x = 238,736,370,242.10
  5. Step 5: Solve for x
    x = 238,736,370,242.10/578,856.77
  6. Step 6: Final answer
    x = 412,427.36

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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.