Home / 747,831.04-1,121,894.43-274,520.50

Finding the Fourth Proportional to 747,831.04, 1,121,894.43 and 274,520.50

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Solution

The fourth proportional to 747,831.04, 1,121,894.43 and 274,520.50 is: 411,835.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,831.04 : 1,121,894.43 = 274,520.50 : x
  2. Step 2: Convert to fraction form
    747,831.04/1,121,894.43 = 274,520.50/x
  3. Step 3: Cross multiply
    747,831.04x = 1,121,894.43 × 274,520.50
  4. Step 4: Simplify right side
    747,831.04x = 307,983,019,870.82
  5. Step 5: Solve for x
    x = 307,983,019,870.82/747,831.04
  6. Step 6: Final answer
    x = 411,835.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.