Home / 862,635.40-1,190,436.90-500,269.45

Finding the Fourth Proportional to 862,635.40, 1,190,436.90 and 500,269.45

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Solution

The fourth proportional to 862,635.40, 1,190,436.90 and 500,269.45 is: 690,371.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,635.40 : 1,190,436.90 = 500,269.45 : x
  2. Step 2: Convert to fraction form
    862,635.40/1,190,436.90 = 500,269.45/x
  3. Step 3: Cross multiply
    862,635.40x = 1,190,436.90 × 500,269.45
  4. Step 4: Simplify right side
    862,635.40x = 595,539,213,222.71
  5. Step 5: Solve for x
    x = 595,539,213,222.71/862,635.40
  6. Step 6: Final answer
    x = 690,371.87

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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.