Home / 778,977.10-1,168,350.45-218,068.30

Finding the Fourth Proportional to 778,977.10, 1,168,350.45 and 218,068.30

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Solution

The fourth proportional to 778,977.10, 1,168,350.45 and 218,068.30 is: 327,070.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,977.10 : 1,168,350.45 = 218,068.30 : x
  2. Step 2: Convert to fraction form
    778,977.10/1,168,350.45 = 218,068.30/x
  3. Step 3: Cross multiply
    778,977.10x = 1,168,350.45 × 218,068.30
  4. Step 4: Simplify right side
    778,977.10x = 254,780,196,435.74
  5. Step 5: Solve for x
    x = 254,780,196,435.74/778,977.10
  6. Step 6: Final answer
    x = 327,070.20

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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.