Home / 913,478.94-1,260,591.57-505,581.57

Finding the Fourth Proportional to 913,478.94, 1,260,591.57 and 505,581.57

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Solution

The fourth proportional to 913,478.94, 1,260,591.57 and 505,581.57 is: 697,697.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,478.94 : 1,260,591.57 = 505,581.57 : x
  2. Step 2: Convert to fraction form
    913,478.94/1,260,591.57 = 505,581.57/x
  3. Step 3: Cross multiply
    913,478.94x = 1,260,591.57 × 505,581.57
  4. Step 4: Simplify right side
    913,478.94x = 637,331,865,089.37
  5. Step 5: Solve for x
    x = 637,331,865,089.37/913,478.94
  6. Step 6: Final answer
    x = 697,697.38

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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.