Home / 729,032.40-1,093,548.60-687,698.10

Finding the Fourth Proportional to 729,032.40, 1,093,548.60 and 687,698.10

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Solution

The fourth proportional to 729,032.40, 1,093,548.60 and 687,698.10 is: 1,031,547.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,032.40 : 1,093,548.60 = 687,698.10 : x
  2. Step 2: Convert to fraction form
    729,032.40/1,093,548.60 = 687,698.10/x
  3. Step 3: Cross multiply
    729,032.40x = 1,093,548.60 × 687,698.10
  4. Step 4: Simplify right side
    729,032.40x = 752,031,294,477.66
  5. Step 5: Solve for x
    x = 752,031,294,477.66/729,032.40
  6. Step 6: Final answer
    x = 1,031,547.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.