Home / 818,175.99-1,226,410.82-457,818.53

Finding the Fourth Proportional to 818,175.99, 1,226,410.82 and 457,818.53

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Solution

The fourth proportional to 818,175.99, 1,226,410.82 and 457,818.53 is: 686,250.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,175.99 : 1,226,410.82 = 457,818.53 : x
  2. Step 2: Convert to fraction form
    818,175.99/1,226,410.82 = 457,818.53/x
  3. Step 3: Cross multiply
    818,175.99x = 1,226,410.82 × 457,818.53
  4. Step 4: Simplify right side
    818,175.99x = 561,473,601,557.96
  5. Step 5: Solve for x
    x = 561,473,601,557.96/818,175.99
  6. Step 6: Final answer
    x = 686,250.40

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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.