Home / 761,263.03-1,050,067.83-489,684.97

Finding the Fourth Proportional to 761,263.03, 1,050,067.83 and 489,684.97

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Solution

The fourth proportional to 761,263.03, 1,050,067.83 and 489,684.97 is: 675,459.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,263.03 : 1,050,067.83 = 489,684.97 : x
  2. Step 2: Convert to fraction form
    761,263.03/1,050,067.83 = 489,684.97/x
  3. Step 3: Cross multiply
    761,263.03x = 1,050,067.83 × 489,684.97
  4. Step 4: Simplify right side
    761,263.03x = 514,202,433,831.52
  5. Step 5: Solve for x
    x = 514,202,433,831.52/761,263.03
  6. Step 6: Final answer
    x = 675,459.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.