Home / 886,878.72-1,223,890.56-484,473.60

Finding the Fourth Proportional to 886,878.72, 1,223,890.56 and 484,473.60

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Solution

The fourth proportional to 886,878.72, 1,223,890.56 and 484,473.60 is: 668,572.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,878.72 : 1,223,890.56 = 484,473.60 : x
  2. Step 2: Convert to fraction form
    886,878.72/1,223,890.56 = 484,473.60/x
  3. Step 3: Cross multiply
    886,878.72x = 1,223,890.56 × 484,473.60
  4. Step 4: Simplify right side
    886,878.72x = 592,942,665,609.22
  5. Step 5: Solve for x
    x = 592,942,665,609.22/886,878.72
  6. Step 6: Final answer
    x = 668,572.44

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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.