Home / 782,433.07-1,079,784.17-438,283.69

Finding the Fourth Proportional to 782,433.07, 1,079,784.17 and 438,283.69

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Solution

The fourth proportional to 782,433.07, 1,079,784.17 and 438,283.69 is: 604,846.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,433.07 : 1,079,784.17 = 438,283.69 : x
  2. Step 2: Convert to fraction form
    782,433.07/1,079,784.17 = 438,283.69/x
  3. Step 3: Cross multiply
    782,433.07x = 1,079,784.17 × 438,283.69
  4. Step 4: Simplify right side
    782,433.07x = 473,251,790,431.19
  5. Step 5: Solve for x
    x = 473,251,790,431.19/782,433.07
  6. Step 6: Final answer
    x = 604,846.36

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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.