Home / 692,036.78-1,037,685.18-354,939.90

Finding the Fourth Proportional to 692,036.78, 1,037,685.18 and 354,939.90

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Solution

The fourth proportional to 692,036.78, 1,037,685.18 and 354,939.90 is: 532,220.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,036.78 : 1,037,685.18 = 354,939.90 : x
  2. Step 2: Convert to fraction form
    692,036.78/1,037,685.18 = 354,939.90/x
  3. Step 3: Cross multiply
    692,036.78x = 1,037,685.18 × 354,939.90
  4. Step 4: Simplify right side
    692,036.78x = 368,315,874,020.68
  5. Step 5: Solve for x
    x = 368,315,874,020.68/692,036.78
  6. Step 6: Final answer
    x = 532,220.09

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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.