Home / 875,051.16-1,312,650.78-243,965.52

Finding the Fourth Proportional to 875,051.16, 1,312,650.78 and 243,965.52

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Solution

The fourth proportional to 875,051.16, 1,312,650.78 and 243,965.52 is: 365,968.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,051.16 : 1,312,650.78 = 243,965.52 : x
  2. Step 2: Convert to fraction form
    875,051.16/1,312,650.78 = 243,965.52/x
  3. Step 3: Cross multiply
    875,051.16x = 1,312,650.78 × 243,965.52
  4. Step 4: Simplify right side
    875,051.16x = 320,241,530,121.11
  5. Step 5: Solve for x
    x = 320,241,530,121.11/875,051.16
  6. Step 6: Final answer
    x = 365,968.92

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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.