Home / 779,734.26-1,168,945.29-380,169.36

Finding the Fourth Proportional to 779,734.26, 1,168,945.29 and 380,169.36

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Solution

The fourth proportional to 779,734.26, 1,168,945.29 and 380,169.36 is: 569,934.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,734.26 : 1,168,945.29 = 380,169.36 : x
  2. Step 2: Convert to fraction form
    779,734.26/1,168,945.29 = 380,169.36/x
  3. Step 3: Cross multiply
    779,734.26x = 1,168,945.29 × 380,169.36
  4. Step 4: Simplify right side
    779,734.26x = 444,397,182,774.31
  5. Step 5: Solve for x
    x = 444,397,182,774.31/779,734.26
  6. Step 6: Final answer
    x = 569,934.15

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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.