Home / 591,048.20-885,989.10-291,283.40

Finding the Fourth Proportional to 591,048.20, 885,989.10 and 291,283.40

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Solution

The fourth proportional to 591,048.20, 885,989.10 and 291,283.40 is: 436,637.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,048.20 : 885,989.10 = 291,283.40 : x
  2. Step 2: Convert to fraction form
    591,048.20/885,989.10 = 291,283.40/x
  3. Step 3: Cross multiply
    591,048.20x = 885,989.10 × 291,283.40
  4. Step 4: Simplify right side
    591,048.20x = 258,073,917,410.94
  5. Step 5: Solve for x
    x = 258,073,917,410.94/591,048.20
  6. Step 6: Final answer
    x = 436,637.68

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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.