Home / 928,496.32-1,392,777.48-297,328.12

Finding the Fourth Proportional to 928,496.32, 1,392,777.48 and 297,328.12

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Solution

The fourth proportional to 928,496.32, 1,392,777.48 and 297,328.12 is: 446,002.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,496.32 : 1,392,777.48 = 297,328.12 : x
  2. Step 2: Convert to fraction form
    928,496.32/1,392,777.48 = 297,328.12/x
  3. Step 3: Cross multiply
    928,496.32x = 1,392,777.48 × 297,328.12
  4. Step 4: Simplify right side
    928,496.32x = 414,111,909,706.74
  5. Step 5: Solve for x
    x = 414,111,909,706.74/928,496.32
  6. Step 6: Final answer
    x = 446,002.75

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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.