Home / 529,887.06-731,237.27-288,164.49

Finding the Fourth Proportional to 529,887.06, 731,237.27 and 288,164.49

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Solution

The fourth proportional to 529,887.06, 731,237.27 and 288,164.49 is: 397,663.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,887.06 : 731,237.27 = 288,164.49 : x
  2. Step 2: Convert to fraction form
    529,887.06/731,237.27 = 288,164.49/x
  3. Step 3: Cross multiply
    529,887.06x = 731,237.27 × 288,164.49
  4. Step 4: Simplify right side
    529,887.06x = 210,716,610,795.58
  5. Step 5: Solve for x
    x = 210,716,610,795.58/529,887.06
  6. Step 6: Final answer
    x = 397,663.25

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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.