Home / 695,946.41-960,473.45-390,074.75

Finding the Fourth Proportional to 695,946.41, 960,473.45 and 390,074.75

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Solution

The fourth proportional to 695,946.41, 960,473.45 and 390,074.75 is: 538,340.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,946.41 : 960,473.45 = 390,074.75 : x
  2. Step 2: Convert to fraction form
    695,946.41/960,473.45 = 390,074.75/x
  3. Step 3: Cross multiply
    695,946.41x = 960,473.45 × 390,074.75
  4. Step 4: Simplify right side
    695,946.41x = 374,656,437,063.21
  5. Step 5: Solve for x
    x = 374,656,437,063.21/695,946.41
  6. Step 6: Final answer
    x = 538,340.93

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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.