Home / 524,439.78-723,618.27-306,606.48

Finding the Fourth Proportional to 524,439.78, 723,618.27 and 306,606.48

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Solution

The fourth proportional to 524,439.78, 723,618.27 and 306,606.48 is: 423,053.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,439.78 : 723,618.27 = 306,606.48 : x
  2. Step 2: Convert to fraction form
    524,439.78/723,618.27 = 306,606.48/x
  3. Step 3: Cross multiply
    524,439.78x = 723,618.27 × 306,606.48
  4. Step 4: Simplify right side
    524,439.78x = 221,866,050,628.39
  5. Step 5: Solve for x
    x = 221,866,050,628.39/524,439.78
  6. Step 6: Final answer
    x = 423,053.44

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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.