Home / 790,370.95-1,185,559.47-191,331.15

Finding the Fourth Proportional to 790,370.95, 1,185,559.47 and 191,331.15

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Solution

The fourth proportional to 790,370.95, 1,185,559.47 and 191,331.15 is: 286,997.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,370.95 : 1,185,559.47 = 191,331.15 : x
  2. Step 2: Convert to fraction form
    790,370.95/1,185,559.47 = 191,331.15/x
  3. Step 3: Cross multiply
    790,370.95x = 1,185,559.47 × 191,331.15
  4. Step 4: Simplify right side
    790,370.95x = 226,834,456,788.49
  5. Step 5: Solve for x
    x = 226,834,456,788.49/790,370.95
  6. Step 6: Final answer
    x = 286,997.46

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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.