Home / 778,900.40-1,168,350.60-673,924.40

Finding the Fourth Proportional to 778,900.40, 1,168,350.60 and 673,924.40

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Solution

The fourth proportional to 778,900.40, 1,168,350.60 and 673,924.40 is: 1,010,886.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,900.40 : 1,168,350.60 = 673,924.40 : x
  2. Step 2: Convert to fraction form
    778,900.40/1,168,350.60 = 673,924.40/x
  3. Step 3: Cross multiply
    778,900.40x = 1,168,350.60 × 673,924.40
  4. Step 4: Simplify right side
    778,900.40x = 787,379,977,094.64
  5. Step 5: Solve for x
    x = 787,379,977,094.64/778,900.40
  6. Step 6: Final answer
    x = 1,010,886.60

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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.