Home / 530,275-731,658.24-300,777.52

Finding the Fourth Proportional to 530,275, 731,658.24 and 300,777.52

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Solution

The fourth proportional to 530,275, 731,658.24 and 300,777.52 is: 415,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,275 : 731,658.24 = 300,777.52 : x
  2. Step 2: Convert to fraction form
    530,275/731,658.24 = 300,777.52/x
  3. Step 3: Cross multiply
    530,275x = 731,658.24 × 300,777.52
  4. Step 4: Simplify right side
    530,275x = 220,066,350,914.77
  5. Step 5: Solve for x
    x = 220,066,350,914.77/530,275
  6. Step 6: Final answer
    x = 415,004.20

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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.