Home / 993,719.88-1,490,828.22-394,482.96

Finding the Fourth Proportional to 993,719.88, 1,490,828.22 and 394,482.96

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Solution

The fourth proportional to 993,719.88, 1,490,828.22 and 394,482.96 is: 591,823.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,719.88 : 1,490,828.22 = 394,482.96 : x
  2. Step 2: Convert to fraction form
    993,719.88/1,490,828.22 = 394,482.96/x
  3. Step 3: Cross multiply
    993,719.88x = 1,490,828.22 × 394,482.96
  4. Step 4: Simplify right side
    993,719.88x = 588,106,329,077.13
  5. Step 5: Solve for x
    x = 588,106,329,077.13/993,719.88
  6. Step 6: Final answer
    x = 591,823.05

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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.