Home / 792,378.45-1,093,677.39-486,528.12

Finding the Fourth Proportional to 792,378.45, 1,093,677.39 and 486,528.12

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Solution

The fourth proportional to 792,378.45, 1,093,677.39 and 486,528.12 is: 671,528.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,378.45 : 1,093,677.39 = 486,528.12 : x
  2. Step 2: Convert to fraction form
    792,378.45/1,093,677.39 = 486,528.12/x
  3. Step 3: Cross multiply
    792,378.45x = 1,093,677.39 × 486,528.12
  4. Step 4: Simplify right side
    792,378.45x = 532,104,804,443.21
  5. Step 5: Solve for x
    x = 532,104,804,443.21/792,378.45
  6. Step 6: Final answer
    x = 671,528.62

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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.