Home / 691,929.54-1,037,968.16-292,610.68

Finding the Fourth Proportional to 691,929.54, 1,037,968.16 and 292,610.68

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Solution

The fourth proportional to 691,929.54, 1,037,968.16 and 292,610.68 is: 438,947.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,929.54 : 1,037,968.16 = 292,610.68 : x
  2. Step 2: Convert to fraction form
    691,929.54/1,037,968.16 = 292,610.68/x
  3. Step 3: Cross multiply
    691,929.54x = 1,037,968.16 × 292,610.68
  4. Step 4: Simplify right side
    691,929.54x = 303,720,565,057.98
  5. Step 5: Solve for x
    x = 303,720,565,057.98/691,929.54
  6. Step 6: Final answer
    x = 438,947.24

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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.