Home / 779,355.60-1,168,741.80-273,721.20

Finding the Fourth Proportional to 779,355.60, 1,168,741.80 and 273,721.20

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Solution

The fourth proportional to 779,355.60, 1,168,741.80 and 273,721.20 is: 410,479.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,355.60 : 1,168,741.80 = 273,721.20 : x
  2. Step 2: Convert to fraction form
    779,355.60/1,168,741.80 = 273,721.20/x
  3. Step 3: Cross multiply
    779,355.60x = 1,168,741.80 × 273,721.20
  4. Step 4: Simplify right side
    779,355.60x = 319,909,407,986.16
  5. Step 5: Solve for x
    x = 319,909,407,986.16/779,355.60
  6. Step 6: Final answer
    x = 410,479.39

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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.