Home / 890,290.23-1,335,496.91-357,811.71

Finding the Fourth Proportional to 890,290.23, 1,335,496.91 and 357,811.71

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Solution

The fourth proportional to 890,290.23, 1,335,496.91 and 357,811.71 is: 536,742.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,290.23 : 1,335,496.91 = 357,811.71 : x
  2. Step 2: Convert to fraction form
    890,290.23/1,335,496.91 = 357,811.71/x
  3. Step 3: Cross multiply
    890,290.23x = 1,335,496.91 × 357,811.71
  4. Step 4: Simplify right side
    890,290.23x = 477,856,431,277.76
  5. Step 5: Solve for x
    x = 477,856,431,277.76/890,290.23
  6. Step 6: Final answer
    x = 536,742.31

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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.