Home / 692,767.70-1,038,892.35-243,314.90

Finding the Fourth Proportional to 692,767.70, 1,038,892.35 and 243,314.90

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Solution

The fourth proportional to 692,767.70, 1,038,892.35 and 243,314.90 is: 364,881.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,767.70 : 1,038,892.35 = 243,314.90 : x
  2. Step 2: Convert to fraction form
    692,767.70/1,038,892.35 = 243,314.90/x
  3. Step 3: Cross multiply
    692,767.70x = 1,038,892.35 × 243,314.90
  4. Step 4: Simplify right side
    692,767.70x = 252,777,988,251.02
  5. Step 5: Solve for x
    x = 252,777,988,251.02/692,767.70
  6. Step 6: Final answer
    x = 364,881.31

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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.