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Finding the Fourth Proportional to 692,899.25, 956,203.85 and 374,947.25

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Solution

The fourth proportional to 692,899.25, 956,203.85 and 374,947.25 is: 517,428.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,899.25 : 956,203.85 = 374,947.25 : x
  2. Step 2: Convert to fraction form
    692,899.25/956,203.85 = 374,947.25/x
  3. Step 3: Cross multiply
    692,899.25x = 956,203.85 × 374,947.25
  4. Step 4: Simplify right side
    692,899.25x = 358,526,002,122.18
  5. Step 5: Solve for x
    x = 358,526,002,122.18/692,899.25
  6. Step 6: Final answer
    x = 517,428.76

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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.