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Finding the Fourth Proportional to 891,648.88, 1,337,574.78 and 323,297.62

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Solution

The fourth proportional to 891,648.88, 1,337,574.78 and 323,297.62 is: 484,983.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,648.88 : 1,337,574.78 = 323,297.62 : x
  2. Step 2: Convert to fraction form
    891,648.88/1,337,574.78 = 323,297.62/x
  3. Step 3: Cross multiply
    891,648.88x = 1,337,574.78 × 323,297.62
  4. Step 4: Simplify right side
    891,648.88x = 432,434,742,946.02
  5. Step 5: Solve for x
    x = 432,434,742,946.02/891,648.88
  6. Step 6: Final answer
    x = 484,983.22

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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.