Home / 849,953.09-1,172,932.55-467,979.86

Finding the Fourth Proportional to 849,953.09, 1,172,932.55 and 467,979.86

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Solution

The fourth proportional to 849,953.09, 1,172,932.55 and 467,979.86 is: 645,810.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,953.09 : 1,172,932.55 = 467,979.86 : x
  2. Step 2: Convert to fraction form
    849,953.09/1,172,932.55 = 467,979.86/x
  3. Step 3: Cross multiply
    849,953.09x = 1,172,932.55 × 467,979.86
  4. Step 4: Simplify right side
    849,953.09x = 548,908,802,333.88
  5. Step 5: Solve for x
    x = 548,908,802,333.88/849,953.09
  6. Step 6: Final answer
    x = 645,810.71

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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.