Home / 880,831.40-1,321,290.30-460,927.40

Finding the Fourth Proportional to 880,831.40, 1,321,290.30 and 460,927.40

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Solution

The fourth proportional to 880,831.40, 1,321,290.30 and 460,927.40 is: 691,413.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,831.40 : 1,321,290.30 = 460,927.40 : x
  2. Step 2: Convert to fraction form
    880,831.40/1,321,290.30 = 460,927.40/x
  3. Step 3: Cross multiply
    880,831.40x = 1,321,290.30 × 460,927.40
  4. Step 4: Simplify right side
    880,831.40x = 609,018,902,624.22
  5. Step 5: Solve for x
    x = 609,018,902,624.22/880,831.40
  6. Step 6: Final answer
    x = 691,413.71

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1.5x scale

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.