Home / 890,718.39-1,336,058.79-216,803.45

Finding the Fourth Proportional to 890,718.39, 1,336,058.79 and 216,803.45

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Solution

The fourth proportional to 890,718.39, 1,336,058.79 and 216,803.45 is: 325,200.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,718.39 : 1,336,058.79 = 216,803.45 : x
  2. Step 2: Convert to fraction form
    890,718.39/1,336,058.79 = 216,803.45/x
  3. Step 3: Cross multiply
    890,718.39x = 1,336,058.79 × 216,803.45
  4. Step 4: Simplify right side
    890,718.39x = 289,662,157,601.96
  5. Step 5: Solve for x
    x = 289,662,157,601.96/890,718.39
  6. Step 6: Final answer
    x = 325,200.60

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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.