Home / 824,783.54-1,235,564.69-391,884.93

Finding the Fourth Proportional to 824,783.54, 1,235,564.69 and 391,884.93

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Solution

The fourth proportional to 824,783.54, 1,235,564.69 and 391,884.93 is: 587,062.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,783.54 : 1,235,564.69 = 391,884.93 : x
  2. Step 2: Convert to fraction form
    824,783.54/1,235,564.69 = 391,884.93/x
  3. Step 3: Cross multiply
    824,783.54x = 1,235,564.69 × 391,884.93
  4. Step 4: Simplify right side
    824,783.54x = 484,199,176,115.58
  5. Step 5: Solve for x
    x = 484,199,176,115.58/824,783.54
  6. Step 6: Final answer
    x = 587,062.12

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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.