Home / 556,733.45-835,520.00-407,359.13

Finding the Fourth Proportional to 556,733.45, 835,520.00 and 407,359.13

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Solution

The fourth proportional to 556,733.45, 835,520.00 and 407,359.13 is: 611,345.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,733.45 : 835,520.00 = 407,359.13 : x
  2. Step 2: Convert to fraction form
    556,733.45/835,520.00 = 407,359.13/x
  3. Step 3: Cross multiply
    556,733.45x = 835,520.00 × 407,359.13
  4. Step 4: Simplify right side
    556,733.45x = 340,356,694,083.20
  5. Step 5: Solve for x
    x = 340,356,694,083.20/556,733.45
  6. Step 6: Final answer
    x = 611,345.87

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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.