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Finding the Fourth Proportional to 688,703.10, 950,597.94 and 446,971.56

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Solution

The fourth proportional to 688,703.10, 950,597.94 and 446,971.56 is: 616,942.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,703.10 : 950,597.94 = 446,971.56 : x
  2. Step 2: Convert to fraction form
    688,703.10/950,597.94 = 446,971.56/x
  3. Step 3: Cross multiply
    688,703.10x = 950,597.94 × 446,971.56
  4. Step 4: Simplify right side
    688,703.10x = 424,890,244,174.59
  5. Step 5: Solve for x
    x = 424,890,244,174.59/688,703.10
  6. Step 6: Final answer
    x = 616,942.55

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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.