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Finding the Fourth Proportional to 651,364.74, 898,885.45 and 360,981.06

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Solution

The fourth proportional to 651,364.74, 898,885.45 and 360,981.06 is: 498,155.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,364.74 : 898,885.45 = 360,981.06 : x
  2. Step 2: Convert to fraction form
    651,364.74/898,885.45 = 360,981.06/x
  3. Step 3: Cross multiply
    651,364.74x = 898,885.45 × 360,981.06
  4. Step 4: Simplify right side
    651,364.74x = 324,480,619,639.98
  5. Step 5: Solve for x
    x = 324,480,619,639.98/651,364.74
  6. Step 6: Final answer
    x = 498,155.03

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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.