Home / 710,834.70-1,066,438.74-255,471.88

Finding the Fourth Proportional to 710,834.70, 1,066,438.74 and 255,471.88

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Solution

The fourth proportional to 710,834.70, 1,066,438.74 and 255,471.88 is: 383,274.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,834.70 : 1,066,438.74 = 255,471.88 : x
  2. Step 2: Convert to fraction form
    710,834.70/1,066,438.74 = 255,471.88/x
  3. Step 3: Cross multiply
    710,834.70x = 1,066,438.74 × 255,471.88
  4. Step 4: Simplify right side
    710,834.70x = 272,445,109,812.63
  5. Step 5: Solve for x
    x = 272,445,109,812.63/710,834.70
  6. Step 6: Final answer
    x = 383,274.92

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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.