Home / 807,619.15-1,114,438.26-476,423.41

Finding the Fourth Proportional to 807,619.15, 1,114,438.26 and 476,423.41

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Solution

The fourth proportional to 807,619.15, 1,114,438.26 and 476,423.41 is: 657,419.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,619.15 : 1,114,438.26 = 476,423.41 : x
  2. Step 2: Convert to fraction form
    807,619.15/1,114,438.26 = 476,423.41/x
  3. Step 3: Cross multiply
    807,619.15x = 1,114,438.26 × 476,423.41
  4. Step 4: Simplify right side
    807,619.15x = 530,944,476,063.67
  5. Step 5: Solve for x
    x = 530,944,476,063.67/807,619.15
  6. Step 6: Final answer
    x = 657,419.37

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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.