Home / 855,125.27-1,180,054.69-467,939.15

Finding the Fourth Proportional to 855,125.27, 1,180,054.69 and 467,939.15

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Solution

The fourth proportional to 855,125.27, 1,180,054.69 and 467,939.15 is: 645,746.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,125.27 : 1,180,054.69 = 467,939.15 : x
  2. Step 2: Convert to fraction form
    855,125.27/1,180,054.69 = 467,939.15/x
  3. Step 3: Cross multiply
    855,125.27x = 1,180,054.69 × 467,939.15
  4. Step 4: Simplify right side
    855,125.27x = 552,193,788,592.11
  5. Step 5: Solve for x
    x = 552,193,788,592.11/855,125.27
  6. Step 6: Final answer
    x = 645,746.08

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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.