Home / 508,384.85-701,584.00-278,942.07

Finding the Fourth Proportional to 508,384.85, 701,584.00 and 278,942.07

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Solution

The fourth proportional to 508,384.85, 701,584.00 and 278,942.07 is: 384,947.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,384.85 : 701,584.00 = 278,942.07 : x
  2. Step 2: Convert to fraction form
    508,384.85/701,584.00 = 278,942.07/x
  3. Step 3: Cross multiply
    508,384.85x = 701,584.00 × 278,942.07
  4. Step 4: Simplify right side
    508,384.85x = 195,701,291,844.17
  5. Step 5: Solve for x
    x = 195,701,291,844.17/508,384.85
  6. Step 6: Final answer
    x = 384,947.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.