Home / 686,927.27-1,029,090.34-458,534.21

Finding the Fourth Proportional to 686,927.27, 1,029,090.34 and 458,534.21

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Solution

The fourth proportional to 686,927.27, 1,029,090.34 and 458,534.21 is: 686,933.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,927.27 : 1,029,090.34 = 458,534.21 : x
  2. Step 2: Convert to fraction form
    686,927.27/1,029,090.34 = 458,534.21/x
  3. Step 3: Cross multiply
    686,927.27x = 1,029,090.34 × 458,534.21
  4. Step 4: Simplify right side
    686,927.27x = 471,873,123,777.86
  5. Step 5: Solve for x
    x = 471,873,123,777.86/686,927.27
  6. Step 6: Final answer
    x = 686,933.17

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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.