Home / 530,250.37-731,733.55-288,533.61

Finding the Fourth Proportional to 530,250.37, 731,733.55 and 288,533.61

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Solution

The fourth proportional to 530,250.37, 731,733.55 and 288,533.61 is: 398,169.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,250.37 : 731,733.55 = 288,533.61 : x
  2. Step 2: Convert to fraction form
    530,250.37/731,733.55 = 288,533.61/x
  3. Step 3: Cross multiply
    530,250.37x = 731,733.55 × 288,533.61
  4. Step 4: Simplify right side
    530,250.37x = 211,129,722,018.28
  5. Step 5: Solve for x
    x = 211,129,722,018.28/530,250.37
  6. Step 6: Final answer
    x = 398,169.87

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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.