Home / 875,886.40-1,314,175.20-343,316.80

Finding the Fourth Proportional to 875,886.40, 1,314,175.20 and 343,316.80

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Solution

The fourth proportional to 875,886.40, 1,314,175.20 and 343,316.80 is: 515,110.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,886.40 : 1,314,175.20 = 343,316.80 : x
  2. Step 2: Convert to fraction form
    875,886.40/1,314,175.20 = 343,316.80/x
  3. Step 3: Cross multiply
    875,886.40x = 1,314,175.20 × 343,316.80
  4. Step 4: Simplify right side
    875,886.40x = 451,178,424,303.36
  5. Step 5: Solve for x
    x = 451,178,424,303.36/875,886.40
  6. Step 6: Final answer
    x = 515,110.66

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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.