Home / 529,935.55-731,303.91-288,212.92

Finding the Fourth Proportional to 529,935.55, 731,303.91 and 288,212.92

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Solution

The fourth proportional to 529,935.55, 731,303.91 and 288,212.92 is: 397,729.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,935.55 : 731,303.91 = 288,212.92 : x
  2. Step 2: Convert to fraction form
    529,935.55/731,303.91 = 288,212.92/x
  3. Step 3: Cross multiply
    529,935.55x = 731,303.91 × 288,212.92
  4. Step 4: Simplify right side
    529,935.55x = 210,771,233,480.26
  5. Step 5: Solve for x
    x = 210,771,233,480.26/529,935.55
  6. Step 6: Final answer
    x = 397,729.94

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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.