Home / 529,865.04-731,217.24-288,150.24

Finding the Fourth Proportional to 529,865.04, 731,217.24 and 288,150.24

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Solution

The fourth proportional to 529,865.04, 731,217.24 and 288,150.24 is: 397,649.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,865.04 : 731,217.24 = 288,150.24 : x
  2. Step 2: Convert to fraction form
    529,865.04/731,217.24 = 288,150.24/x
  3. Step 3: Cross multiply
    529,865.04x = 731,217.24 × 288,150.24
  4. Step 4: Simplify right side
    529,865.04x = 210,700,423,198.14
  5. Step 5: Solve for x
    x = 210,700,423,198.14/529,865.04
  6. Step 6: Final answer
    x = 397,649.23

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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.