Home / 786,319.58-1,179,480.28-239,216.46

Finding the Fourth Proportional to 786,319.58, 1,179,480.28 and 239,216.46

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Solution

The fourth proportional to 786,319.58, 1,179,480.28 and 239,216.46 is: 358,824.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,319.58 : 1,179,480.28 = 239,216.46 : x
  2. Step 2: Convert to fraction form
    786,319.58/1,179,480.28 = 239,216.46/x
  3. Step 3: Cross multiply
    786,319.58x = 1,179,480.28 × 239,216.46
  4. Step 4: Simplify right side
    786,319.58x = 282,151,097,221.41
  5. Step 5: Solve for x
    x = 282,151,097,221.41/786,319.58
  6. Step 6: Final answer
    x = 358,824.97

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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.