Home / 695,330.40-1,042,995.54-379,615.08

Finding the Fourth Proportional to 695,330.40, 1,042,995.54 and 379,615.08

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Solution

The fourth proportional to 695,330.40, 1,042,995.54 and 379,615.08 is: 569,422.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,330.40 : 1,042,995.54 = 379,615.08 : x
  2. Step 2: Convert to fraction form
    695,330.40/1,042,995.54 = 379,615.08/x
  3. Step 3: Cross multiply
    695,330.40x = 1,042,995.54 × 379,615.08
  4. Step 4: Simplify right side
    695,330.40x = 395,936,835,356.74
  5. Step 5: Solve for x
    x = 395,936,835,356.74/695,330.40
  6. Step 6: Final answer
    x = 569,422.59

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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.