Home / 455,038.10-683,869.35-397,301.30

Finding the Fourth Proportional to 455,038.10, 683,869.35 and 397,301.30

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Solution

The fourth proportional to 455,038.10, 683,869.35 and 397,301.30 is: 597,097.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,038.10 : 683,869.35 = 397,301.30 : x
  2. Step 2: Convert to fraction form
    455,038.10/683,869.35 = 397,301.30/x
  3. Step 3: Cross multiply
    455,038.10x = 683,869.35 × 397,301.30
  4. Step 4: Simplify right side
    455,038.10x = 271,702,181,785.16
  5. Step 5: Solve for x
    x = 271,702,181,785.16/455,038.10
  6. Step 6: Final answer
    x = 597,097.65

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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.