Home / 726,043.02-1,001,862.66-403,701.12

Finding the Fourth Proportional to 726,043.02, 1,001,862.66 and 403,701.12

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Solution

The fourth proportional to 726,043.02, 1,001,862.66 and 403,701.12 is: 557,064.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,043.02 : 1,001,862.66 = 403,701.12 : x
  2. Step 2: Convert to fraction form
    726,043.02/1,001,862.66 = 403,701.12/x
  3. Step 3: Cross multiply
    726,043.02x = 1,001,862.66 × 403,701.12
  4. Step 4: Simplify right side
    726,043.02x = 404,453,077,928.18
  5. Step 5: Solve for x
    x = 404,453,077,928.18/726,043.02
  6. Step 6: Final answer
    x = 557,064.89

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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.