Home / 675,043.80-1,012,565.70-659,491.80

Finding the Fourth Proportional to 675,043.80, 1,012,565.70 and 659,491.80

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Solution

The fourth proportional to 675,043.80, 1,012,565.70 and 659,491.80 is: 989,237.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,043.80 : 1,012,565.70 = 659,491.80 : x
  2. Step 2: Convert to fraction form
    675,043.80/1,012,565.70 = 659,491.80/x
  3. Step 3: Cross multiply
    675,043.80x = 1,012,565.70 × 659,491.80
  4. Step 4: Simplify right side
    675,043.80x = 667,778,776,111.26
  5. Step 5: Solve for x
    x = 667,778,776,111.26/675,043.80
  6. Step 6: Final answer
    x = 989,237.70

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1.5x scale

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.