Home / 943,651.89-1,415,494.24-312,582.11

Finding the Fourth Proportional to 943,651.89, 1,415,494.24 and 312,582.11

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Solution

The fourth proportional to 943,651.89, 1,415,494.24 and 312,582.11 is: 468,878.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,651.89 : 1,415,494.24 = 312,582.11 : x
  2. Step 2: Convert to fraction form
    943,651.89/1,415,494.24 = 312,582.11/x
  3. Step 3: Cross multiply
    943,651.89x = 1,415,494.24 × 312,582.11
  4. Step 4: Simplify right side
    943,651.89x = 442,458,168,373.12
  5. Step 5: Solve for x
    x = 442,458,168,373.12/943,651.89
  6. Step 6: Final answer
    x = 468,878.59

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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.