Home / 522,943.36-721,631.50-293,479.20

Finding the Fourth Proportional to 522,943.36, 721,631.50 and 293,479.20

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Solution

The fourth proportional to 522,943.36, 721,631.50 and 293,479.20 is: 404,984.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,943.36 : 721,631.50 = 293,479.20 : x
  2. Step 2: Convert to fraction form
    522,943.36/721,631.50 = 293,479.20/x
  3. Step 3: Cross multiply
    522,943.36x = 721,631.50 × 293,479.20
  4. Step 4: Simplify right side
    522,943.36x = 211,783,834,581.10
  5. Step 5: Solve for x
    x = 211,783,834,581.10/522,943.36
  6. Step 6: Final answer
    x = 404,984.27

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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.