Home / 508,831.80-763,334.10-272,110.20

Finding the Fourth Proportional to 508,831.80, 763,334.10 and 272,110.20

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Solution

The fourth proportional to 508,831.80, 763,334.10 and 272,110.20 is: 408,211.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,831.80 : 763,334.10 = 272,110.20 : x
  2. Step 2: Convert to fraction form
    508,831.80/763,334.10 = 272,110.20/x
  3. Step 3: Cross multiply
    508,831.80x = 763,334.10 × 272,110.20
  4. Step 4: Simplify right side
    508,831.80x = 207,710,994,617.82
  5. Step 5: Solve for x
    x = 207,710,994,617.82/508,831.80
  6. Step 6: Final answer
    x = 408,211.50

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1.5x scale

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.