Home / 817,061.76-1,127,374.74-494,795.16

Finding the Fourth Proportional to 817,061.76, 1,127,374.74 and 494,795.16

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Solution

The fourth proportional to 817,061.76, 1,127,374.74 and 494,795.16 is: 682,714.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,061.76 : 1,127,374.74 = 494,795.16 : x
  2. Step 2: Convert to fraction form
    817,061.76/1,127,374.74 = 494,795.16/x
  3. Step 3: Cross multiply
    817,061.76x = 1,127,374.74 × 494,795.16
  4. Step 4: Simplify right side
    817,061.76x = 557,819,564,858.26
  5. Step 5: Solve for x
    x = 557,819,564,858.26/817,061.76
  6. Step 6: Final answer
    x = 682,714.08

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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.