Home / 710,818.49-1,066,414.48-255,455.70

Finding the Fourth Proportional to 710,818.49, 1,066,414.48 and 255,455.70

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Solution

The fourth proportional to 710,818.49, 1,066,414.48 and 255,455.70 is: 383,250.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,818.49 : 1,066,414.48 = 255,455.70 : x
  2. Step 2: Convert to fraction form
    710,818.49/1,066,414.48 = 255,455.70/x
  3. Step 3: Cross multiply
    710,818.49x = 1,066,414.48 × 255,455.70
  4. Step 4: Simplify right side
    710,818.49x = 272,421,659,505.93
  5. Step 5: Solve for x
    x = 272,421,659,505.93/710,818.49
  6. Step 6: Final answer
    x = 383,250.67

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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.