Home / 778,023.54-1,167,035.24-245,918.21

Finding the Fourth Proportional to 778,023.54, 1,167,035.24 and 245,918.21

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Solution

The fourth proportional to 778,023.54, 1,167,035.24 and 245,918.21 is: 368,877.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,023.54 : 1,167,035.24 = 245,918.21 : x
  2. Step 2: Convert to fraction form
    778,023.54/1,167,035.24 = 245,918.21/x
  3. Step 3: Cross multiply
    778,023.54x = 1,167,035.24 × 245,918.21
  4. Step 4: Simplify right side
    778,023.54x = 286,995,212,007.34
  5. Step 5: Solve for x
    x = 286,995,212,007.34/778,023.54
  6. Step 6: Final answer
    x = 368,877.29

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1.5x scale

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.