Home / 960,403.22-1,325,632.52-633,954.51

Finding the Fourth Proportional to 960,403.22, 1,325,632.52 and 633,954.51

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Solution

The fourth proportional to 960,403.22, 1,325,632.52 and 633,954.51 is: 875,039.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,403.22 : 1,325,632.52 = 633,954.51 : x
  2. Step 2: Convert to fraction form
    960,403.22/1,325,632.52 = 633,954.51/x
  3. Step 3: Cross multiply
    960,403.22x = 1,325,632.52 × 633,954.51
  4. Step 4: Simplify right side
    960,403.22x = 840,390,711,486.89
  5. Step 5: Solve for x
    x = 840,390,711,486.89/960,403.22
  6. Step 6: Final answer
    x = 875,039.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.