Home / 802,545.14-1,107,505.23-439,962.41

Finding the Fourth Proportional to 802,545.14, 1,107,505.23 and 439,962.41

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Solution

The fourth proportional to 802,545.14, 1,107,505.23 and 439,962.41 is: 607,144.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,545.14 : 1,107,505.23 = 439,962.41 : x
  2. Step 2: Convert to fraction form
    802,545.14/1,107,505.23 = 439,962.41/x
  3. Step 3: Cross multiply
    802,545.14x = 1,107,505.23 × 439,962.41
  4. Step 4: Simplify right side
    802,545.14x = 487,260,670,078.40
  5. Step 5: Solve for x
    x = 487,260,670,078.40/802,545.14
  6. Step 6: Final answer
    x = 607,144.25

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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.