Home / 943,984.86-1,415,452.40-312,554.22

Finding the Fourth Proportional to 943,984.86, 1,415,452.40 and 312,554.22

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Solution

The fourth proportional to 943,984.86, 1,415,452.40 and 312,554.22 is: 468,657.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,984.86 : 1,415,452.40 = 312,554.22 : x
  2. Step 2: Convert to fraction form
    943,984.86/1,415,452.40 = 312,554.22/x
  3. Step 3: Cross multiply
    943,984.86x = 1,415,452.40 × 312,554.22
  4. Step 4: Simplify right side
    943,984.86x = 442,405,620,829.13
  5. Step 5: Solve for x
    x = 442,405,620,829.13/943,984.86
  6. Step 6: Final answer
    x = 468,657.54

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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.