Home / 696,628.62-960,939.21-438,095.49

Finding the Fourth Proportional to 696,628.62, 960,939.21 and 438,095.49

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Solution

The fourth proportional to 696,628.62, 960,939.21 and 438,095.49 is: 604,315.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,628.62 : 960,939.21 = 438,095.49 : x
  2. Step 2: Convert to fraction form
    696,628.62/960,939.21 = 438,095.49/x
  3. Step 3: Cross multiply
    696,628.62x = 960,939.21 × 438,095.49
  4. Step 4: Simplify right side
    696,628.62x = 420,983,134,065.16
  5. Step 5: Solve for x
    x = 420,983,134,065.16/696,628.62
  6. Step 6: Final answer
    x = 604,315.01

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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.