Home / 687,054.70-1,030,582.05-576,829.90

Finding the Fourth Proportional to 687,054.70, 1,030,582.05 and 576,829.90

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Solution

The fourth proportional to 687,054.70, 1,030,582.05 and 576,829.90 is: 865,244.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,054.70 : 1,030,582.05 = 576,829.90 : x
  2. Step 2: Convert to fraction form
    687,054.70/1,030,582.05 = 576,829.90/x
  3. Step 3: Cross multiply
    687,054.70x = 1,030,582.05 × 576,829.90
  4. Step 4: Simplify right side
    687,054.70x = 594,470,540,843.30
  5. Step 5: Solve for x
    x = 594,470,540,843.30/687,054.70
  6. Step 6: Final answer
    x = 865,244.85

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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.