Home / 926,421.78-1,389,744.76-327,260.34

Finding the Fourth Proportional to 926,421.78, 1,389,744.76 and 327,260.34

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Solution

The fourth proportional to 926,421.78, 1,389,744.76 and 327,260.34 is: 490,930.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,421.78 : 1,389,744.76 = 327,260.34 : x
  2. Step 2: Convert to fraction form
    926,421.78/1,389,744.76 = 327,260.34/x
  3. Step 3: Cross multiply
    926,421.78x = 1,389,744.76 × 327,260.34
  4. Step 4: Simplify right side
    926,421.78x = 454,808,342,670.82
  5. Step 5: Solve for x
    x = 454,808,342,670.82/926,421.78
  6. Step 6: Final answer
    x = 490,930.11

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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.