Home / 778,671.52-1,168,008.36-217,705.48

Finding the Fourth Proportional to 778,671.52, 1,168,008.36 and 217,705.48

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Solution

The fourth proportional to 778,671.52, 1,168,008.36 and 217,705.48 is: 326,558.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,671.52 : 1,168,008.36 = 217,705.48 : x
  2. Step 2: Convert to fraction form
    778,671.52/1,168,008.36 = 217,705.48/x
  3. Step 3: Cross multiply
    778,671.52x = 1,168,008.36 × 217,705.48
  4. Step 4: Simplify right side
    778,671.52x = 254,281,820,657.81
  5. Step 5: Solve for x
    x = 254,281,820,657.81/778,671.52
  6. Step 6: Final answer
    x = 326,558.52

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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.