Home / 913,230.96-1,369,855.68-407,817.69

Finding the Fourth Proportional to 913,230.96, 1,369,855.68 and 407,817.69

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Solution

The fourth proportional to 913,230.96, 1,369,855.68 and 407,817.69 is: 611,730.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,230.96 : 1,369,855.68 = 407,817.69 : x
  2. Step 2: Convert to fraction form
    913,230.96/1,369,855.68 = 407,817.69/x
  3. Step 3: Cross multiply
    913,230.96x = 1,369,855.68 × 407,817.69
  4. Step 4: Simplify right side
    913,230.96x = 558,651,372,201.70
  5. Step 5: Solve for x
    x = 558,651,372,201.70/913,230.96
  6. Step 6: Final answer
    x = 611,730.66

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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.