Home / 725,035.83-1,087,664.40-369,856.08

Finding the Fourth Proportional to 725,035.83, 1,087,664.40 and 369,856.08

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Solution

The fourth proportional to 725,035.83, 1,087,664.40 and 369,856.08 is: 554,840.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,035.83 : 1,087,664.40 = 369,856.08 : x
  2. Step 2: Convert to fraction form
    725,035.83/1,087,664.40 = 369,856.08/x
  3. Step 3: Cross multiply
    725,035.83x = 1,087,664.40 × 369,856.08
  4. Step 4: Simplify right side
    725,035.83x = 402,279,291,339.55
  5. Step 5: Solve for x
    x = 402,279,291,339.55/725,035.83
  6. Step 6: Final answer
    x = 554,840.57

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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.