Home / 402,790.52-604,185.74-191,788.76

Finding the Fourth Proportional to 402,790.52, 604,185.74 and 191,788.76

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Solution

The fourth proportional to 402,790.52, 604,185.74 and 191,788.76 is: 287,683.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,790.52 : 604,185.74 = 191,788.76 : x
  2. Step 2: Convert to fraction form
    402,790.52/604,185.74 = 191,788.76/x
  3. Step 3: Cross multiply
    402,790.52x = 604,185.74 × 191,788.76
  4. Step 4: Simplify right side
    402,790.52x = 115,876,033,884.28
  5. Step 5: Solve for x
    x = 115,876,033,884.28/402,790.52
  6. Step 6: Final answer
    x = 287,683.12

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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.