Home / 933,826.75-1,288,728.80-571,136.69

Finding the Fourth Proportional to 933,826.75, 1,288,728.80 and 571,136.69

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Solution

The fourth proportional to 933,826.75, 1,288,728.80 and 571,136.69 is: 788,197.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,826.75 : 1,288,728.80 = 571,136.69 : x
  2. Step 2: Convert to fraction form
    933,826.75/1,288,728.80 = 571,136.69/x
  3. Step 3: Cross multiply
    933,826.75x = 1,288,728.80 × 571,136.69
  4. Step 4: Simplify right side
    933,826.75x = 736,040,301,139.67
  5. Step 5: Solve for x
    x = 736,040,301,139.67/933,826.75
  6. Step 6: Final answer
    x = 788,197.92

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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.