Home / 960,727.51-1,441,039.29-487,400.57

Finding the Fourth Proportional to 960,727.51, 1,441,039.29 and 487,400.57

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Solution

The fourth proportional to 960,727.51, 1,441,039.29 and 487,400.57 is: 731,074.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,727.51 : 1,441,039.29 = 487,400.57 : x
  2. Step 2: Convert to fraction form
    960,727.51/1,441,039.29 = 487,400.57/x
  3. Step 3: Cross multiply
    960,727.51x = 1,441,039.29 × 487,400.57
  4. Step 4: Simplify right side
    960,727.51x = 702,363,371,338.40
  5. Step 5: Solve for x
    x = 702,363,371,338.40/960,727.51
  6. Step 6: Final answer
    x = 731,074.49

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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.