Home / 459,837.23-634,630.61-278,543.84

Finding the Fourth Proportional to 459,837.23, 634,630.61 and 278,543.84

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Solution

The fourth proportional to 459,837.23, 634,630.61 and 278,543.84 is: 384,423.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,837.23 : 634,630.61 = 278,543.84 : x
  2. Step 2: Convert to fraction form
    459,837.23/634,630.61 = 278,543.84/x
  3. Step 3: Cross multiply
    459,837.23x = 634,630.61 × 278,543.84
  4. Step 4: Simplify right side
    459,837.23x = 176,772,444,614.15
  5. Step 5: Solve for x
    x = 176,772,444,614.15/459,837.23
  6. Step 6: Final answer
    x = 384,423.95

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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.