Home / 841,399.29-1,262,651.76-308,925.54

Finding the Fourth Proportional to 841,399.29, 1,262,651.76 and 308,925.54

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Solution

The fourth proportional to 841,399.29, 1,262,651.76 and 308,925.54 is: 463,591.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,399.29 : 1,262,651.76 = 308,925.54 : x
  2. Step 2: Convert to fraction form
    841,399.29/1,262,651.76 = 308,925.54/x
  3. Step 3: Cross multiply
    841,399.29x = 1,262,651.76 × 308,925.54
  4. Step 4: Simplify right side
    841,399.29x = 390,065,376,789.95
  5. Step 5: Solve for x
    x = 390,065,376,789.95/841,399.29
  6. Step 6: Final answer
    x = 463,591.28

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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.