Home / 670,724.04-925,594.79-380,390.88

Finding the Fourth Proportional to 670,724.04, 925,594.79 and 380,390.88

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Solution

The fourth proportional to 670,724.04, 925,594.79 and 380,390.88 is: 524,936.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,724.04 : 925,594.79 = 380,390.88 : x
  2. Step 2: Convert to fraction form
    670,724.04/925,594.79 = 380,390.88/x
  3. Step 3: Cross multiply
    670,724.04x = 925,594.79 × 380,390.88
  4. Step 4: Simplify right side
    670,724.04x = 352,087,814,789.56
  5. Step 5: Solve for x
    x = 352,087,814,789.56/670,724.04
  6. Step 6: Final answer
    x = 524,936.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.