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Finding the Fourth Proportional to 384,015.80, 576,714.90 and 371,574.20

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Solution

The fourth proportional to 384,015.80, 576,714.90 and 371,574.20 is: 558,030.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,015.80 : 576,714.90 = 371,574.20 : x
  2. Step 2: Convert to fraction form
    384,015.80/576,714.90 = 371,574.20/x
  3. Step 3: Cross multiply
    384,015.80x = 576,714.90 × 371,574.20
  4. Step 4: Simplify right side
    384,015.80x = 214,292,377,595.58
  5. Step 5: Solve for x
    x = 214,292,377,595.58/384,015.80
  6. Step 6: Final answer
    x = 558,030.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.