Home / 551,834.07-761,739.12-322,465.91

Finding the Fourth Proportional to 551,834.07, 761,739.12 and 322,465.91

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Solution

The fourth proportional to 551,834.07, 761,739.12 and 322,465.91 is: 445,124.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,834.07 : 761,739.12 = 322,465.91 : x
  2. Step 2: Convert to fraction form
    551,834.07/761,739.12 = 322,465.91/x
  3. Step 3: Cross multiply
    551,834.07x = 761,739.12 × 322,465.91
  4. Step 4: Simplify right side
    551,834.07x = 245,634,898,513.40
  5. Step 5: Solve for x
    x = 245,634,898,513.40/551,834.07
  6. Step 6: Final answer
    x = 445,124.56

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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.