Home / 892,062.81-1,338,356.70-359,309.61

Finding the Fourth Proportional to 892,062.81, 1,338,356.70 and 359,309.61

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Solution

The fourth proportional to 892,062.81, 1,338,356.70 and 359,309.61 is: 539,070.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,062.81 : 1,338,356.70 = 359,309.61 : x
  2. Step 2: Convert to fraction form
    892,062.81/1,338,356.70 = 359,309.61/x
  3. Step 3: Cross multiply
    892,062.81x = 1,338,356.70 × 359,309.61
  4. Step 4: Simplify right side
    892,062.81x = 480,884,423,917.89
  5. Step 5: Solve for x
    x = 480,884,423,917.89/892,062.81
  6. Step 6: Final answer
    x = 539,070.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.