Home / 668,214.78-1,001,845.98-313,035.18

Finding the Fourth Proportional to 668,214.78, 1,001,845.98 and 313,035.18

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Solution

The fourth proportional to 668,214.78, 1,001,845.98 and 313,035.18 is: 469,329.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,214.78 : 1,001,845.98 = 313,035.18 : x
  2. Step 2: Convert to fraction form
    668,214.78/1,001,845.98 = 313,035.18/x
  3. Step 3: Cross multiply
    668,214.78x = 1,001,845.98 × 313,035.18
  4. Step 4: Simplify right side
    668,214.78x = 313,613,036,681.58
  5. Step 5: Solve for x
    x = 313,613,036,681.58/668,214.78
  6. Step 6: Final answer
    x = 469,329.69

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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.