Home / 751,854.04-1,127,989.32-347,169.94

Finding the Fourth Proportional to 751,854.04, 1,127,989.32 and 347,169.94

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Solution

The fourth proportional to 751,854.04, 1,127,989.32 and 347,169.94 is: 520,851.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,854.04 : 1,127,989.32 = 347,169.94 : x
  2. Step 2: Convert to fraction form
    751,854.04/1,127,989.32 = 347,169.94/x
  3. Step 3: Cross multiply
    751,854.04x = 1,127,989.32 × 347,169.94
  4. Step 4: Simplify right side
    751,854.04x = 391,603,984,545.04
  5. Step 5: Solve for x
    x = 391,603,984,545.04/751,854.04
  6. Step 6: Final answer
    x = 520,851.07

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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.