Home / 668,019.96-1,001,781.54-288,995.58

Finding the Fourth Proportional to 668,019.96, 1,001,781.54 and 288,995.58

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Solution

The fourth proportional to 668,019.96, 1,001,781.54 and 288,995.58 is: 433,385.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,019.96 : 1,001,781.54 = 288,995.58 : x
  2. Step 2: Convert to fraction form
    668,019.96/1,001,781.54 = 288,995.58/x
  3. Step 3: Cross multiply
    668,019.96x = 1,001,781.54 × 288,995.58
  4. Step 4: Simplify right side
    668,019.96x = 289,510,437,185.59
  5. Step 5: Solve for x
    x = 289,510,437,185.59/668,019.96
  6. Step 6: Final answer
    x = 433,385.91

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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.