Home / 646,471.07-969,041.26-286,811.31

Finding the Fourth Proportional to 646,471.07, 969,041.26 and 286,811.31

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Solution

The fourth proportional to 646,471.07, 969,041.26 and 286,811.31 is: 429,921.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,471.07 : 969,041.26 = 286,811.31 : x
  2. Step 2: Convert to fraction form
    646,471.07/969,041.26 = 286,811.31/x
  3. Step 3: Cross multiply
    646,471.07x = 969,041.26 × 286,811.31
  4. Step 4: Simplify right side
    646,471.07x = 277,931,993,224.65
  5. Step 5: Solve for x
    x = 277,931,993,224.65/646,471.07
  6. Step 6: Final answer
    x = 429,921.78

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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.