Home / 806,873.52-1,113,151.50-480,121.32

Finding the Fourth Proportional to 806,873.52, 1,113,151.50 and 480,121.32

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Solution

The fourth proportional to 806,873.52, 1,113,151.50 and 480,121.32 is: 662,368.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,873.52 : 1,113,151.50 = 480,121.32 : x
  2. Step 2: Convert to fraction form
    806,873.52/1,113,151.50 = 480,121.32/x
  3. Step 3: Cross multiply
    806,873.52x = 1,113,151.50 × 480,121.32
  4. Step 4: Simplify right side
    806,873.52x = 534,447,767,539.98
  5. Step 5: Solve for x
    x = 534,447,767,539.98/806,873.52
  6. Step 6: Final answer
    x = 662,368.70

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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.