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Finding the Fourth Proportional to 691,326, 954,030.24 and 373,374

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Solution

The fourth proportional to 691,326, 954,030.24 and 373,374 is: 515,256.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,326 : 954,030.24 = 373,374 : x
  2. Step 2: Convert to fraction form
    691,326/954,030.24 = 373,374/x
  3. Step 3: Cross multiply
    691,326x = 954,030.24 × 373,374
  4. Step 4: Simplify right side
    691,326x = 356,210,086,829.76
  5. Step 5: Solve for x
    x = 356,210,086,829.76/691,326
  6. Step 6: Final answer
    x = 515,256.31

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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.