Home / 905,662.03-1,249,826.54-497,801.58

Finding the Fourth Proportional to 905,662.03, 1,249,826.54 and 497,801.58

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Solution

The fourth proportional to 905,662.03, 1,249,826.54 and 497,801.58 is: 686,973.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,662.03 : 1,249,826.54 = 497,801.58 : x
  2. Step 2: Convert to fraction form
    905,662.03/1,249,826.54 = 497,801.58/x
  3. Step 3: Cross multiply
    905,662.03x = 1,249,826.54 × 497,801.58
  4. Step 4: Simplify right side
    905,662.03x = 622,165,623,848.93
  5. Step 5: Solve for x
    x = 622,165,623,848.93/905,662.03
  6. Step 6: Final answer
    x = 686,973.29

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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.