Home / 890,326.25-1,335,477.75-216,405.62

Finding the Fourth Proportional to 890,326.25, 1,335,477.75 and 216,405.62

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Solution

The fourth proportional to 890,326.25, 1,335,477.75 and 216,405.62 is: 324,605.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,326.25 : 1,335,477.75 = 216,405.62 : x
  2. Step 2: Convert to fraction form
    890,326.25/1,335,477.75 = 216,405.62/x
  3. Step 3: Cross multiply
    890,326.25x = 1,335,477.75 × 216,405.62
  4. Step 4: Simplify right side
    890,326.25x = 289,004,890,484.96
  5. Step 5: Solve for x
    x = 289,004,890,484.96/890,326.25
  6. Step 6: Final answer
    x = 324,605.60

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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.