Home / 957,000.88-1,320,684.78-589,338.91

Finding the Fourth Proportional to 957,000.88, 1,320,684.78 and 589,338.91

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Solution

The fourth proportional to 957,000.88, 1,320,684.78 and 589,338.91 is: 813,302.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,000.88 : 1,320,684.78 = 589,338.91 : x
  2. Step 2: Convert to fraction form
    957,000.88/1,320,684.78 = 589,338.91/x
  3. Step 3: Cross multiply
    957,000.88x = 1,320,684.78 × 589,338.91
  4. Step 4: Simplify right side
    957,000.88x = 778,330,928,698.79
  5. Step 5: Solve for x
    x = 778,330,928,698.79/957,000.88
  6. Step 6: Final answer
    x = 813,302.21

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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.