Home / 529,849.42-731,197.34-288,137.22

Finding the Fourth Proportional to 529,849.42, 731,197.34 and 288,137.22

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Solution

The fourth proportional to 529,849.42, 731,197.34 and 288,137.22 is: 397,632.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,849.42 : 731,197.34 = 288,137.22 : x
  2. Step 2: Convert to fraction form
    529,849.42/731,197.34 = 288,137.22/x
  3. Step 3: Cross multiply
    529,849.42x = 731,197.34 × 288,137.22
  4. Step 4: Simplify right side
    529,849.42x = 210,685,168,819.00
  5. Step 5: Solve for x
    x = 210,685,168,819.00/529,849.42
  6. Step 6: Final answer
    x = 397,632.16

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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.