Home / 671,744.80-1,006,742.40-272,058.40

Finding the Fourth Proportional to 671,744.80, 1,006,742.40 and 272,058.40

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Solution

The fourth proportional to 671,744.80, 1,006,742.40 and 272,058.40 is: 407,733.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,744.80 : 1,006,742.40 = 272,058.40 : x
  2. Step 2: Convert to fraction form
    671,744.80/1,006,742.40 = 272,058.40/x
  3. Step 3: Cross multiply
    671,744.80x = 1,006,742.40 × 272,058.40
  4. Step 4: Simplify right side
    671,744.80x = 273,892,726,556.16
  5. Step 5: Solve for x
    x = 273,892,726,556.16/671,744.80
  6. Step 6: Final answer
    x = 407,733.30

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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.