Home / 694,574.40-1,044,088.80-645,268.80

Finding the Fourth Proportional to 694,574.40, 1,044,088.80 and 645,268.80

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Solution

The fourth proportional to 694,574.40, 1,044,088.80 and 645,268.80 is: 969,972.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,574.40 : 1,044,088.80 = 645,268.80 : x
  2. Step 2: Convert to fraction form
    694,574.40/1,044,088.80 = 645,268.80/x
  3. Step 3: Cross multiply
    694,574.40x = 1,044,088.80 × 645,268.80
  4. Step 4: Simplify right side
    694,574.40x = 673,717,927,069.44
  5. Step 5: Solve for x
    x = 673,717,927,069.44/694,574.40
  6. Step 6: Final answer
    x = 969,972.30

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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.