Home / 786,153.42-1,084,920.75-446,679.18

Finding the Fourth Proportional to 786,153.42, 1,084,920.75 and 446,679.18

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Solution

The fourth proportional to 786,153.42, 1,084,920.75 and 446,679.18 is: 616,433.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,153.42 : 1,084,920.75 = 446,679.18 : x
  2. Step 2: Convert to fraction form
    786,153.42/1,084,920.75 = 446,679.18/x
  3. Step 3: Cross multiply
    786,153.42x = 1,084,920.75 × 446,679.18
  4. Step 4: Simplify right side
    786,153.42x = 484,611,510,974.99
  5. Step 5: Solve for x
    x = 484,611,510,974.99/786,153.42
  6. Step 6: Final answer
    x = 616,433.76

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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.