Home / 884,150.52-1,220,111.28-491,707.56

Finding the Fourth Proportional to 884,150.52, 1,220,111.28 and 491,707.56

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Solution

The fourth proportional to 884,150.52, 1,220,111.28 and 491,707.56 is: 678,547.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,150.52 : 1,220,111.28 = 491,707.56 : x
  2. Step 2: Convert to fraction form
    884,150.52/1,220,111.28 = 491,707.56/x
  3. Step 3: Cross multiply
    884,150.52x = 1,220,111.28 × 491,707.56
  4. Step 4: Simplify right side
    884,150.52x = 599,937,940,417.28
  5. Step 5: Solve for x
    x = 599,937,940,417.28/884,150.52
  6. Step 6: Final answer
    x = 678,547.29

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.