Home / 790,217.25-1,185,328.95-191,177.45

Finding the Fourth Proportional to 790,217.25, 1,185,328.95 and 191,177.45

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Solution

The fourth proportional to 790,217.25, 1,185,328.95 and 191,177.45 is: 286,766.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,217.25 : 1,185,328.95 = 191,177.45 : x
  2. Step 2: Convert to fraction form
    790,217.25/1,185,328.95 = 191,177.45/x
  3. Step 3: Cross multiply
    790,217.25x = 1,185,328.95 × 191,177.45
  4. Step 4: Simplify right side
    790,217.25x = 226,608,159,667.59
  5. Step 5: Solve for x
    x = 226,608,159,667.59/790,217.25
  6. Step 6: Final answer
    x = 286,766.91

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1.5x scale

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.