Home / 578,976.36-868,712.40-242,095.74

Finding the Fourth Proportional to 578,976.36, 868,712.40 and 242,095.74

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Solution

The fourth proportional to 578,976.36, 868,712.40 and 242,095.74 is: 363,247.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,976.36 : 868,712.40 = 242,095.74 : x
  2. Step 2: Convert to fraction form
    578,976.36/868,712.40 = 242,095.74/x
  3. Step 3: Cross multiply
    578,976.36x = 868,712.40 × 242,095.74
  4. Step 4: Simplify right side
    578,976.36x = 210,311,571,325.18
  5. Step 5: Solve for x
    x = 210,311,571,325.18/578,976.36
  6. Step 6: Final answer
    x = 363,247.25

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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.