Home / 790,832.76-1,186,436.85-258,352.93

Finding the Fourth Proportional to 790,832.76, 1,186,436.85 and 258,352.93

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Solution

The fourth proportional to 790,832.76, 1,186,436.85 and 258,352.93 is: 387,590.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,832.76 : 1,186,436.85 = 258,352.93 : x
  2. Step 2: Convert to fraction form
    790,832.76/1,186,436.85 = 258,352.93/x
  3. Step 3: Cross multiply
    790,832.76x = 1,186,436.85 × 258,352.93
  4. Step 4: Simplify right side
    790,832.76x = 306,519,436,457.47
  5. Step 5: Solve for x
    x = 306,519,436,457.47/790,832.76
  6. Step 6: Final answer
    x = 387,590.72

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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.