Home / 755,493.40-1,134,114.90-456,311.80

Finding the Fourth Proportional to 755,493.40, 1,134,114.90 and 456,311.80

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Solution

The fourth proportional to 755,493.40, 1,134,114.90 and 456,311.80 is: 684,996.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,493.40 : 1,134,114.90 = 456,311.80 : x
  2. Step 2: Convert to fraction form
    755,493.40/1,134,114.90 = 456,311.80/x
  3. Step 3: Cross multiply
    755,493.40x = 1,134,114.90 × 456,311.80
  4. Step 4: Simplify right side
    755,493.40x = 517,510,011,425.82
  5. Step 5: Solve for x
    x = 517,510,011,425.82/755,493.40
  6. Step 6: Final answer
    x = 684,996.07

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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.