Home / 849,431.30-1,172,214.51-467,458.10

Finding the Fourth Proportional to 849,431.30, 1,172,214.51 and 467,458.10

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Solution

The fourth proportional to 849,431.30, 1,172,214.51 and 467,458.10 is: 645,091.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,431.30 : 1,172,214.51 = 467,458.10 : x
  2. Step 2: Convert to fraction form
    849,431.30/1,172,214.51 = 467,458.10/x
  3. Step 3: Cross multiply
    849,431.30x = 1,172,214.51 × 467,458.10
  4. Step 4: Simplify right side
    849,431.30x = 547,961,161,775.96
  5. Step 5: Solve for x
    x = 547,961,161,775.96/849,431.30
  6. Step 6: Final answer
    x = 645,091.80

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1.5x scale

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.