Home / 985,758.42-1,360,482.78-577,960.68

Finding the Fourth Proportional to 985,758.42, 1,360,482.78 and 577,960.68

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Solution

The fourth proportional to 985,758.42, 1,360,482.78 and 577,960.68 is: 797,665.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,758.42 : 1,360,482.78 = 577,960.68 : x
  2. Step 2: Convert to fraction form
    985,758.42/1,360,482.78 = 577,960.68/x
  3. Step 3: Cross multiply
    985,758.42x = 1,360,482.78 × 577,960.68
  4. Step 4: Simplify right side
    985,758.42x = 786,305,552,657.09
  5. Step 5: Solve for x
    x = 786,305,552,657.09/985,758.42
  6. Step 6: Final answer
    x = 797,665.57

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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.