Home / 955,970.12-1,433,948.78-387,342.83

Finding the Fourth Proportional to 955,970.12, 1,433,948.78 and 387,342.83

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Solution

The fourth proportional to 955,970.12, 1,433,948.78 and 387,342.83 is: 581,011.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,970.12 : 1,433,948.78 = 387,342.83 : x
  2. Step 2: Convert to fraction form
    955,970.12/1,433,948.78 = 387,342.83/x
  3. Step 3: Cross multiply
    955,970.12x = 1,433,948.78 × 387,342.83
  4. Step 4: Simplify right side
    955,970.12x = 555,429,769,413.79
  5. Step 5: Solve for x
    x = 555,429,769,413.79/955,970.12
  6. Step 6: Final answer
    x = 581,011.65

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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.