Home / 661,498.20-992,247.30-346,051.80

Finding the Fourth Proportional to 661,498.20, 992,247.30 and 346,051.80

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Solution

The fourth proportional to 661,498.20, 992,247.30 and 346,051.80 is: 519,077.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,498.20 : 992,247.30 = 346,051.80 : x
  2. Step 2: Convert to fraction form
    661,498.20/992,247.30 = 346,051.80/x
  3. Step 3: Cross multiply
    661,498.20x = 992,247.30 × 346,051.80
  4. Step 4: Simplify right side
    661,498.20x = 343,368,964,210.14
  5. Step 5: Solve for x
    x = 343,368,964,210.14/661,498.20
  6. Step 6: Final answer
    x = 519,077.70

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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.