Home / 529,759.07-731,047.37-288,041.84

Finding the Fourth Proportional to 529,759.07, 731,047.37 and 288,041.84

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Solution

The fourth proportional to 529,759.07, 731,047.37 and 288,041.84 is: 397,486.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,759.07 : 731,047.37 = 288,041.84 : x
  2. Step 2: Convert to fraction form
    529,759.07/731,047.37 = 288,041.84/x
  3. Step 3: Cross multiply
    529,759.07x = 731,047.37 × 288,041.84
  4. Step 4: Simplify right side
    529,759.07x = 210,572,224,486.52
  5. Step 5: Solve for x
    x = 210,572,224,486.52/529,759.07
  6. Step 6: Final answer
    x = 397,486.78

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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.