Home / 802,600.32-1,107,701.28-496,774.80

Finding the Fourth Proportional to 802,600.32, 1,107,701.28 and 496,774.80

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Solution

The fourth proportional to 802,600.32, 1,107,701.28 and 496,774.80 is: 685,619.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,600.32 : 1,107,701.28 = 496,774.80 : x
  2. Step 2: Convert to fraction form
    802,600.32/1,107,701.28 = 496,774.80/x
  3. Step 3: Cross multiply
    802,600.32x = 1,107,701.28 × 496,774.80
  4. Step 4: Simplify right side
    802,600.32x = 550,278,081,831.74
  5. Step 5: Solve for x
    x = 550,278,081,831.74/802,600.32
  6. Step 6: Final answer
    x = 685,619.07

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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.