Home / 791,700.30-1,187,543.52-286,069.95

Finding the Fourth Proportional to 791,700.30, 1,187,543.52 and 286,069.95

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Solution

The fourth proportional to 791,700.30, 1,187,543.52 and 286,069.95 is: 429,102.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,700.30 : 1,187,543.52 = 286,069.95 : x
  2. Step 2: Convert to fraction form
    791,700.30/1,187,543.52 = 286,069.95/x
  3. Step 3: Cross multiply
    791,700.30x = 1,187,543.52 × 286,069.95
  4. Step 4: Simplify right side
    791,700.30x = 339,720,515,389.22
  5. Step 5: Solve for x
    x = 339,720,515,389.22/791,700.30
  6. Step 6: Final answer
    x = 429,102.42

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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.