Home / 875,531.20-1,313,296.80-501,246.40

Finding the Fourth Proportional to 875,531.20, 1,313,296.80 and 501,246.40

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Solution

The fourth proportional to 875,531.20, 1,313,296.80 and 501,246.40 is: 751,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,531.20 : 1,313,296.80 = 501,246.40 : x
  2. Step 2: Convert to fraction form
    875,531.20/1,313,296.80 = 501,246.40/x
  3. Step 3: Cross multiply
    875,531.20x = 1,313,296.80 × 501,246.40
  4. Step 4: Simplify right side
    875,531.20x = 658,285,293,131.52
  5. Step 5: Solve for x
    x = 658,285,293,131.52/875,531.20
  6. Step 6: Final answer
    x = 751,869.60

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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.