Home / 878,101.69-1,317,595.40-346,004.59

Finding the Fourth Proportional to 878,101.69, 1,317,595.40 and 346,004.59

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Solution

The fourth proportional to 878,101.69, 1,317,595.40 and 346,004.59 is: 519,181.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,101.69 : 1,317,595.40 = 346,004.59 : x
  2. Step 2: Convert to fraction form
    878,101.69/1,317,595.40 = 346,004.59/x
  3. Step 3: Cross multiply
    878,101.69x = 1,317,595.40 × 346,004.59
  4. Step 4: Simplify right side
    878,101.69x = 455,894,056,162.89
  5. Step 5: Solve for x
    x = 455,894,056,162.89/878,101.69
  6. Step 6: Final answer
    x = 519,181.39

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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.