Home / 668,635.46-1,002,916.13-488,905.07

Finding the Fourth Proportional to 668,635.46, 1,002,916.13 and 488,905.07

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Solution

The fourth proportional to 668,635.46, 1,002,916.13 and 488,905.07 is: 733,330.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,635.46 : 1,002,916.13 = 488,905.07 : x
  2. Step 2: Convert to fraction form
    668,635.46/1,002,916.13 = 488,905.07/x
  3. Step 3: Cross multiply
    668,635.46x = 1,002,916.13 × 488,905.07
  4. Step 4: Simplify right side
    668,635.46x = 490,330,776,032.76
  5. Step 5: Solve for x
    x = 490,330,776,032.76/668,635.46
  6. Step 6: Final answer
    x = 733,330.50

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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.