Home / 790,303.80-1,185,455.76-191,265.06

Finding the Fourth Proportional to 790,303.80, 1,185,455.76 and 191,265.06

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Solution

The fourth proportional to 790,303.80, 1,185,455.76 and 191,265.06 is: 286,897.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,303.80 : 1,185,455.76 = 191,265.06 : x
  2. Step 2: Convert to fraction form
    790,303.80/1,185,455.76 = 191,265.06/x
  3. Step 3: Cross multiply
    790,303.80x = 1,185,455.76 × 191,265.06
  4. Step 4: Simplify right side
    790,303.80x = 226,736,270,791.96
  5. Step 5: Solve for x
    x = 226,736,270,791.96/790,303.80
  6. Step 6: Final answer
    x = 286,897.61

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Double scale
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Similar ratio
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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.