Home / 696,007.44-960,569.94-390,166.42

Finding the Fourth Proportional to 696,007.44, 960,569.94 and 390,166.42

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Solution

The fourth proportional to 696,007.44, 960,569.94 and 390,166.42 is: 538,474.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,007.44 : 960,569.94 = 390,166.42 : x
  2. Step 2: Convert to fraction form
    696,007.44/960,569.94 = 390,166.42/x
  3. Step 3: Cross multiply
    696,007.44x = 960,569.94 × 390,166.42
  4. Step 4: Simplify right side
    696,007.44x = 374,782,134,649.42
  5. Step 5: Solve for x
    x = 374,782,134,649.42/696,007.44
  6. Step 6: Final answer
    x = 538,474.33

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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.