Home / 488,511.58-674,152.98-284,557.24

Finding the Fourth Proportional to 488,511.58, 674,152.98 and 284,557.24

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Solution

The fourth proportional to 488,511.58, 674,152.98 and 284,557.24 is: 392,693.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,511.58 : 674,152.98 = 284,557.24 : x
  2. Step 2: Convert to fraction form
    488,511.58/674,152.98 = 284,557.24/x
  3. Step 3: Cross multiply
    488,511.58x = 674,152.98 × 284,557.24
  4. Step 4: Simplify right side
    488,511.58x = 191,835,111,326.58
  5. Step 5: Solve for x
    x = 191,835,111,326.58/488,511.58
  6. Step 6: Final answer
    x = 392,693.07

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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.