Home / 695,287.20-1,042,930.80-555,319.20

Finding the Fourth Proportional to 695,287.20, 1,042,930.80 and 555,319.20

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Solution

The fourth proportional to 695,287.20, 1,042,930.80 and 555,319.20 is: 832,978.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,287.20 : 1,042,930.80 = 555,319.20 : x
  2. Step 2: Convert to fraction form
    695,287.20/1,042,930.80 = 555,319.20/x
  3. Step 3: Cross multiply
    695,287.20x = 1,042,930.80 × 555,319.20
  4. Step 4: Simplify right side
    695,287.20x = 579,159,497,511.36
  5. Step 5: Solve for x
    x = 579,159,497,511.36/695,287.20
  6. Step 6: Final answer
    x = 832,978.80

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1.5x scale

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.