Home / 881,629.09-1,216,781.15-537,664.57

Finding the Fourth Proportional to 881,629.09, 1,216,781.15 and 537,664.57

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Solution

The fourth proportional to 881,629.09, 1,216,781.15 and 537,664.57 is: 742,058.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,629.09 : 1,216,781.15 = 537,664.57 : x
  2. Step 2: Convert to fraction form
    881,629.09/1,216,781.15 = 537,664.57/x
  3. Step 3: Cross multiply
    881,629.09x = 1,216,781.15 × 537,664.57
  4. Step 4: Simplify right side
    881,629.09x = 654,220,108,068.58
  5. Step 5: Solve for x
    x = 654,220,108,068.58/881,629.09
  6. Step 6: Final answer
    x = 742,058.22

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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.