Home / 613,977.47-847,261.57-342,038.60

Finding the Fourth Proportional to 613,977.47, 847,261.57 and 342,038.60

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Solution

The fourth proportional to 613,977.47, 847,261.57 and 342,038.60 is: 471,998.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,977.47 : 847,261.57 = 342,038.60 : x
  2. Step 2: Convert to fraction form
    613,977.47/847,261.57 = 342,038.60/x
  3. Step 3: Cross multiply
    613,977.47x = 847,261.57 × 342,038.60
  4. Step 4: Simplify right side
    613,977.47x = 289,796,159,963.75
  5. Step 5: Solve for x
    x = 289,796,159,963.75/613,977.47
  6. Step 6: Final answer
    x = 471,998.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.