Home / 664,173.20-916,558.40-362,367.20

Finding the Fourth Proportional to 664,173.20, 916,558.40 and 362,367.20

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Solution

The fourth proportional to 664,173.20, 916,558.40 and 362,367.20 is: 500,066.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,173.20 : 916,558.40 = 362,367.20 : x
  2. Step 2: Convert to fraction form
    664,173.20/916,558.40 = 362,367.20/x
  3. Step 3: Cross multiply
    664,173.20x = 916,558.40 × 362,367.20
  4. Step 4: Simplify right side
    664,173.20x = 332,130,701,044.48
  5. Step 5: Solve for x
    x = 332,130,701,044.48/664,173.20
  6. Step 6: Final answer
    x = 500,066.40

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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.