Home / 790,497.34-1,185,748.80-191,458.90

Finding the Fourth Proportional to 790,497.34, 1,185,748.80 and 191,458.90

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Solution

The fourth proportional to 790,497.34, 1,185,748.80 and 191,458.90 is: 287,189.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,497.34 : 1,185,748.80 = 191,458.90 : x
  2. Step 2: Convert to fraction form
    790,497.34/1,185,748.80 = 191,458.90/x
  3. Step 3: Cross multiply
    790,497.34x = 1,185,748.80 × 191,458.90
  4. Step 4: Simplify right side
    790,497.34x = 227,022,160,924.32
  5. Step 5: Solve for x
    x = 227,022,160,924.32/790,497.34
  6. Step 6: Final answer
    x = 287,189.03

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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.