Home / 459,788.32-634,412.80-268,764.76

Finding the Fourth Proportional to 459,788.32, 634,412.80 and 268,764.76

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Solution

The fourth proportional to 459,788.32, 634,412.80 and 268,764.76 is: 370,839.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,788.32 : 634,412.80 = 268,764.76 : x
  2. Step 2: Convert to fraction form
    459,788.32/634,412.80 = 268,764.76/x
  3. Step 3: Cross multiply
    459,788.32x = 634,412.80 × 268,764.76
  4. Step 4: Simplify right side
    459,788.32x = 170,507,803,932.93
  5. Step 5: Solve for x
    x = 170,507,803,932.93/459,788.32
  6. Step 6: Final answer
    x = 370,839.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.