Home / 529,748.52-731,044.35-288,037.19

Finding the Fourth Proportional to 529,748.52, 731,044.35 and 288,037.19

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Solution

The fourth proportional to 529,748.52, 731,044.35 and 288,037.19 is: 397,486.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,748.52 : 731,044.35 = 288,037.19 : x
  2. Step 2: Convert to fraction form
    529,748.52/731,044.35 = 288,037.19/x
  3. Step 3: Cross multiply
    529,748.52x = 731,044.35 × 288,037.19
  4. Step 4: Simplify right side
    529,748.52x = 210,567,956,684.16
  5. Step 5: Solve for x
    x = 210,567,956,684.16/529,748.52
  6. Step 6: Final answer
    x = 397,486.64

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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.