Home / 780,322.66-1,170,483.98-219,357.16

Finding the Fourth Proportional to 780,322.66, 1,170,483.98 and 219,357.16

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Solution

The fourth proportional to 780,322.66, 1,170,483.98 and 219,357.16 is: 329,035.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,322.66 : 1,170,483.98 = 219,357.16 : x
  2. Step 2: Convert to fraction form
    780,322.66/1,170,483.98 = 219,357.16/x
  3. Step 3: Cross multiply
    780,322.66x = 1,170,483.98 × 219,357.16
  4. Step 4: Simplify right side
    780,322.66x = 256,754,041,678.30
  5. Step 5: Solve for x
    x = 256,754,041,678.30/780,322.66
  6. Step 6: Final answer
    x = 329,035.74

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Similar ratio
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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.