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Finding the Fourth Proportional to 604,916.60, 906,986.10 and 250,071.80

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Solution

The fourth proportional to 604,916.60, 906,986.10 and 250,071.80 is: 374,946.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,916.60 : 906,986.10 = 250,071.80 : x
  2. Step 2: Convert to fraction form
    604,916.60/906,986.10 = 250,071.80/x
  3. Step 3: Cross multiply
    604,916.60x = 906,986.10 × 250,071.80
  4. Step 4: Simplify right side
    604,916.60x = 226,811,646,601.98
  5. Step 5: Solve for x
    x = 226,811,646,601.98/604,916.60
  6. Step 6: Final answer
    x = 374,946.97

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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.