Home / 807,136.04-1,113,817.23-485,023.75

Finding the Fourth Proportional to 807,136.04, 1,113,817.23 and 485,023.75

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Solution

The fourth proportional to 807,136.04, 1,113,817.23 and 485,023.75 is: 669,314.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,136.04 : 1,113,817.23 = 485,023.75 : x
  2. Step 2: Convert to fraction form
    807,136.04/1,113,817.23 = 485,023.75/x
  3. Step 3: Cross multiply
    807,136.04x = 1,113,817.23 × 485,023.75
  4. Step 4: Simplify right side
    807,136.04x = 540,227,806,924.67
  5. Step 5: Solve for x
    x = 540,227,806,924.67/807,136.04
  6. Step 6: Final answer
    x = 669,314.44

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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.