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Finding the Fourth Proportional to 604,900.50, 834,416.75 and 378,152.34

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Solution

The fourth proportional to 604,900.50, 834,416.75 and 378,152.34 is: 521,633.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,900.50 : 834,416.75 = 378,152.34 : x
  2. Step 2: Convert to fraction form
    604,900.50/834,416.75 = 378,152.34/x
  3. Step 3: Cross multiply
    604,900.50x = 834,416.75 × 378,152.34
  4. Step 4: Simplify right side
    604,900.50x = 315,536,646,547.70
  5. Step 5: Solve for x
    x = 315,536,646,547.70/604,900.50
  6. Step 6: Final answer
    x = 521,633.97

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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.