Home / 906,516.09-1,250,905.32-498,611.43

Finding the Fourth Proportional to 906,516.09, 1,250,905.32 and 498,611.43

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Solution

The fourth proportional to 906,516.09, 1,250,905.32 and 498,611.43 is: 688,035.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,516.09 : 1,250,905.32 = 498,611.43 : x
  2. Step 2: Convert to fraction form
    906,516.09/1,250,905.32 = 498,611.43/x
  3. Step 3: Cross multiply
    906,516.09x = 1,250,905.32 × 498,611.43
  4. Step 4: Simplify right side
    906,516.09x = 623,715,690,399.81
  5. Step 5: Solve for x
    x = 623,715,690,399.81/906,516.09
  6. Step 6: Final answer
    x = 688,035.98

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1.5x scale

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.