Home / 778,308.77-1,167,498.12-238,525.50

Finding the Fourth Proportional to 778,308.77, 1,167,498.12 and 238,525.50

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Solution

The fourth proportional to 778,308.77, 1,167,498.12 and 238,525.50 is: 357,798.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,308.77 : 1,167,498.12 = 238,525.50 : x
  2. Step 2: Convert to fraction form
    778,308.77/1,167,498.12 = 238,525.50/x
  3. Step 3: Cross multiply
    778,308.77x = 1,167,498.12 × 238,525.50
  4. Step 4: Simplify right side
    778,308.77x = 278,478,071,629.43
  5. Step 5: Solve for x
    x = 278,478,071,629.43/778,308.77
  6. Step 6: Final answer
    x = 357,798.97

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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.