Home / 729,100.80-1,095,724.80-637,862.40

Finding the Fourth Proportional to 729,100.80, 1,095,724.80 and 637,862.40

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Solution

The fourth proportional to 729,100.80, 1,095,724.80 and 637,862.40 is: 958,607.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,100.80 : 1,095,724.80 = 637,862.40 : x
  2. Step 2: Convert to fraction form
    729,100.80/1,095,724.80 = 637,862.40/x
  3. Step 3: Cross multiply
    729,100.80x = 1,095,724.80 × 637,862.40
  4. Step 4: Simplify right side
    729,100.80x = 698,921,650,667.52
  5. Step 5: Solve for x
    x = 698,921,650,667.52/729,100.80
  6. Step 6: Final answer
    x = 958,607.71

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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.