Home / 446,423.40-615,890.60-252,786.64

Finding the Fourth Proportional to 446,423.40, 615,890.60 and 252,786.64

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Solution

The fourth proportional to 446,423.40, 615,890.60 and 252,786.64 is: 348,747.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,423.40 : 615,890.60 = 252,786.64 : x
  2. Step 2: Convert to fraction form
    446,423.40/615,890.60 = 252,786.64/x
  3. Step 3: Cross multiply
    446,423.40x = 615,890.60 × 252,786.64
  4. Step 4: Simplify right side
    446,423.40x = 155,688,915,381.58
  5. Step 5: Solve for x
    x = 155,688,915,381.58/446,423.40
  6. Step 6: Final answer
    x = 348,747.21

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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.