Home / 825,315.78-1,237,565.28-292,756.98

Finding the Fourth Proportional to 825,315.78, 1,237,565.28 and 292,756.98

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Solution

The fourth proportional to 825,315.78, 1,237,565.28 and 292,756.98 is: 438,990.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,315.78 : 1,237,565.28 = 292,756.98 : x
  2. Step 2: Convert to fraction form
    825,315.78/1,237,565.28 = 292,756.98/x
  3. Step 3: Cross multiply
    825,315.78x = 1,237,565.28 × 292,756.98
  4. Step 4: Simplify right side
    825,315.78x = 362,305,873,925.65
  5. Step 5: Solve for x
    x = 362,305,873,925.65/825,315.78
  6. Step 6: Final answer
    x = 438,990.61

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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.