Home / 999,515.28-1,499,271.71-325,595.49

Finding the Fourth Proportional to 999,515.28, 1,499,271.71 and 325,595.49

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Solution

The fourth proportional to 999,515.28, 1,499,271.71 and 325,595.49 is: 488,392.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,515.28 : 1,499,271.71 = 325,595.49 : x
  2. Step 2: Convert to fraction form
    999,515.28/1,499,271.71 = 325,595.49/x
  3. Step 3: Cross multiply
    999,515.28x = 1,499,271.71 × 325,595.49
  4. Step 4: Simplify right side
    999,515.28x = 488,156,107,060.59
  5. Step 5: Solve for x
    x = 488,156,107,060.59/999,515.28
  6. Step 6: Final answer
    x = 488,392.84

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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.