Home / 777,758.23-1,166,637.35-245,320.77

Finding the Fourth Proportional to 777,758.23, 1,166,637.35 and 245,320.77

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Solution

The fourth proportional to 777,758.23, 1,166,637.35 and 245,320.77 is: 367,981.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,758.23 : 1,166,637.35 = 245,320.77 : x
  2. Step 2: Convert to fraction form
    777,758.23/1,166,637.35 = 245,320.77/x
  3. Step 3: Cross multiply
    777,758.23x = 1,166,637.35 × 245,320.77
  4. Step 4: Simplify right side
    777,758.23x = 286,200,373,012.76
  5. Step 5: Solve for x
    x = 286,200,373,012.76/777,758.23
  6. Step 6: Final answer
    x = 367,981.16

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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.