Home / 530,247.39-731,735.24-288,525.81

Finding the Fourth Proportional to 530,247.39, 731,735.24 and 288,525.81

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Solution

The fourth proportional to 530,247.39, 731,735.24 and 288,525.81 is: 398,162.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,247.39 : 731,735.24 = 288,525.81 : x
  2. Step 2: Convert to fraction form
    530,247.39/731,735.24 = 288,525.81/x
  3. Step 3: Cross multiply
    530,247.39x = 731,735.24 × 288,525.81
  4. Step 4: Simplify right side
    530,247.39x = 211,124,502,826.54
  5. Step 5: Solve for x
    x = 211,124,502,826.54/530,247.39
  6. Step 6: Final answer
    x = 398,162.27

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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.