Home / 786,138.24-1,084,874.88-446,625.92

Finding the Fourth Proportional to 786,138.24, 1,084,874.88 and 446,625.92

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Solution

The fourth proportional to 786,138.24, 1,084,874.88 and 446,625.92 is: 616,346.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,138.24 : 1,084,874.88 = 446,625.92 : x
  2. Step 2: Convert to fraction form
    786,138.24/1,084,874.88 = 446,625.92/x
  3. Step 3: Cross multiply
    786,138.24x = 1,084,874.88 × 446,625.92
  4. Step 4: Simplify right side
    786,138.24x = 484,533,241,364.89
  5. Step 5: Solve for x
    x = 484,533,241,364.89/786,138.24
  6. Step 6: Final answer
    x = 616,346.10

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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.