Home / 851,534.15-1,277,547.77-252,509.72

Finding the Fourth Proportional to 851,534.15, 1,277,547.77 and 252,509.72

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Solution

The fourth proportional to 851,534.15, 1,277,547.77 and 252,509.72 is: 378,837.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,534.15 : 1,277,547.77 = 252,509.72 : x
  2. Step 2: Convert to fraction form
    851,534.15/1,277,547.77 = 252,509.72/x
  3. Step 3: Cross multiply
    851,534.15x = 1,277,547.77 × 252,509.72
  4. Step 4: Simplify right side
    851,534.15x = 322,593,229,689.32
  5. Step 5: Solve for x
    x = 322,593,229,689.32/851,534.15
  6. Step 6: Final answer
    x = 378,837.69

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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.