Home / 932,555.21-1,398,832.73-258,636.50

Finding the Fourth Proportional to 932,555.21, 1,398,832.73 and 258,636.50

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Solution

The fourth proportional to 932,555.21, 1,398,832.73 and 258,636.50 is: 387,954.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,555.21 : 1,398,832.73 = 258,636.50 : x
  2. Step 2: Convert to fraction form
    932,555.21/1,398,832.73 = 258,636.50/x
  3. Step 3: Cross multiply
    932,555.21x = 1,398,832.73 × 258,636.50
  4. Step 4: Simplify right side
    932,555.21x = 361,789,201,372.65
  5. Step 5: Solve for x
    x = 361,789,201,372.65/932,555.21
  6. Step 6: Final answer
    x = 387,954.73

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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.