Home / 786,296.23-1,177,902.95-407,465.46

Finding the Fourth Proportional to 786,296.23, 1,177,902.95 and 407,465.46

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Solution

The fourth proportional to 786,296.23, 1,177,902.95 and 407,465.46 is: 610,399.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,296.23 : 1,177,902.95 = 407,465.46 : x
  2. Step 2: Convert to fraction form
    786,296.23/1,177,902.95 = 407,465.46/x
  3. Step 3: Cross multiply
    786,296.23x = 1,177,902.95 × 407,465.46
  4. Step 4: Simplify right side
    786,296.23x = 479,954,767,357.11
  5. Step 5: Solve for x
    x = 479,954,767,357.11/786,296.23
  6. Step 6: Final answer
    x = 610,399.43

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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.