Home / 529,831.32-731,144.95-300,404.04

Finding the Fourth Proportional to 529,831.32, 731,144.95 and 300,404.04

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Solution

The fourth proportional to 529,831.32, 731,144.95 and 300,404.04 is: 414,544.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,831.32 : 731,144.95 = 300,404.04 : x
  2. Step 2: Convert to fraction form
    529,831.32/731,144.95 = 300,404.04/x
  3. Step 3: Cross multiply
    529,831.32x = 731,144.95 × 300,404.04
  4. Step 4: Simplify right side
    529,831.32x = 219,638,896,805.60
  5. Step 5: Solve for x
    x = 219,638,896,805.60/529,831.32
  6. Step 6: Final answer
    x = 414,544.95

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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.