Home / 782,223.53-1,079,476.83-480,417.53

Finding the Fourth Proportional to 782,223.53, 1,079,476.83 and 480,417.53

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Solution

The fourth proportional to 782,223.53, 1,079,476.83 and 480,417.53 is: 662,981.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,223.53 : 1,079,476.83 = 480,417.53 : x
  2. Step 2: Convert to fraction form
    782,223.53/1,079,476.83 = 480,417.53/x
  3. Step 3: Cross multiply
    782,223.53x = 1,079,476.83 × 480,417.53
  4. Step 4: Simplify right side
    782,223.53x = 518,599,589,958.74
  5. Step 5: Solve for x
    x = 518,599,589,958.74/782,223.53
  6. Step 6: Final answer
    x = 662,981.32

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Double scale
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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.