Home / 779,291.20-1,168,948.32-218,290.24

Finding the Fourth Proportional to 779,291.20, 1,168,948.32 and 218,290.24

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Solution

The fourth proportional to 779,291.20, 1,168,948.32 and 218,290.24 is: 327,438.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,291.20 : 1,168,948.32 = 218,290.24 : x
  2. Step 2: Convert to fraction form
    779,291.20/1,168,948.32 = 218,290.24/x
  3. Step 3: Cross multiply
    779,291.20x = 1,168,948.32 × 218,290.24
  4. Step 4: Simplify right side
    779,291.20x = 255,170,009,320.40
  5. Step 5: Solve for x
    x = 255,170,009,320.40/779,291.20
  6. Step 6: Final answer
    x = 327,438.59

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Double scale
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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.