Home / 893,904.78-1,340,898.47-294,918.29

Finding the Fourth Proportional to 893,904.78, 1,340,898.47 and 294,918.29

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Solution

The fourth proportional to 893,904.78, 1,340,898.47 and 294,918.29 is: 442,391.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,904.78 : 1,340,898.47 = 294,918.29 : x
  2. Step 2: Convert to fraction form
    893,904.78/1,340,898.47 = 294,918.29/x
  3. Step 3: Cross multiply
    893,904.78x = 1,340,898.47 × 294,918.29
  4. Step 4: Simplify right side
    893,904.78x = 395,455,475,656.93
  5. Step 5: Solve for x
    x = 395,455,475,656.93/893,904.78
  6. Step 6: Final answer
    x = 442,391.05

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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.