Home / 383,320.84-572,286.05-292,890.28

Finding the Fourth Proportional to 383,320.84, 572,286.05 and 292,890.28

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Solution

The fourth proportional to 383,320.84, 572,286.05 and 292,890.28 is: 437,276.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,320.84 : 572,286.05 = 292,890.28 : x
  2. Step 2: Convert to fraction form
    383,320.84/572,286.05 = 292,890.28/x
  3. Step 3: Cross multiply
    383,320.84x = 572,286.05 × 292,890.28
  4. Step 4: Simplify right side
    383,320.84x = 167,617,021,424.59
  5. Step 5: Solve for x
    x = 167,617,021,424.59/383,320.84
  6. Step 6: Final answer
    x = 437,276.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.