Home / 472,983.35-652,710.89-289,160.53

Finding the Fourth Proportional to 472,983.35, 652,710.89 and 289,160.53

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Solution

The fourth proportional to 472,983.35, 652,710.89 and 289,160.53 is: 399,037.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,983.35 : 652,710.89 = 289,160.53 : x
  2. Step 2: Convert to fraction form
    472,983.35/652,710.89 = 289,160.53/x
  3. Step 3: Cross multiply
    472,983.35x = 652,710.89 × 289,160.53
  4. Step 4: Simplify right side
    472,983.35x = 188,738,225,980.30
  5. Step 5: Solve for x
    x = 188,738,225,980.30/472,983.35
  6. Step 6: Final answer
    x = 399,037.78

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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.