Home / 459,832.74-634,624.41-278,539.35

Finding the Fourth Proportional to 459,832.74, 634,624.41 and 278,539.35

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Solution

The fourth proportional to 459,832.74, 634,624.41 and 278,539.35 is: 384,417.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,832.74 : 634,624.41 = 278,539.35 : x
  2. Step 2: Convert to fraction form
    459,832.74/634,624.41 = 278,539.35/x
  3. Step 3: Cross multiply
    459,832.74x = 634,624.41 × 278,539.35
  4. Step 4: Simplify right side
    459,832.74x = 176,767,870,655.53
  5. Step 5: Solve for x
    x = 176,767,870,655.53/459,832.74
  6. Step 6: Final answer
    x = 384,417.76

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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.