Home / 890,730.29-1,336,075.97-216,815.15

Finding the Fourth Proportional to 890,730.29, 1,336,075.97 and 216,815.15

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Solution

The fourth proportional to 890,730.29, 1,336,075.97 and 216,815.15 is: 325,217.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,730.29 : 1,336,075.97 = 216,815.15 : x
  2. Step 2: Convert to fraction form
    890,730.29/1,336,075.97 = 216,815.15/x
  3. Step 3: Cross multiply
    890,730.29x = 1,336,075.97 × 216,815.15
  4. Step 4: Simplify right side
    890,730.29x = 289,681,504,082.49
  5. Step 5: Solve for x
    x = 289,681,504,082.49/890,730.29
  6. Step 6: Final answer
    x = 325,217.98

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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.