Home / 692,037.78-1,037,686.68-354,940.90

Finding the Fourth Proportional to 692,037.78, 1,037,686.68 and 354,940.90

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Solution

The fourth proportional to 692,037.78, 1,037,686.68 and 354,940.90 is: 532,221.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,037.78 : 1,037,686.68 = 354,940.90 : x
  2. Step 2: Convert to fraction form
    692,037.78/1,037,686.68 = 354,940.90/x
  3. Step 3: Cross multiply
    692,037.78x = 1,037,686.68 × 354,940.90
  4. Step 4: Simplify right side
    692,037.78x = 368,317,444,117.21
  5. Step 5: Solve for x
    x = 368,317,444,117.21/692,037.78
  6. Step 6: Final answer
    x = 532,221.58

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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.