Home / 446,302.20-615,669.30-284,987.64

Finding the Fourth Proportional to 446,302.20, 615,669.30 and 284,987.64

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Solution

The fourth proportional to 446,302.20, 615,669.30 and 284,987.64 is: 393,137.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,302.20 : 615,669.30 = 284,987.64 : x
  2. Step 2: Convert to fraction form
    446,302.20/615,669.30 = 284,987.64/x
  3. Step 3: Cross multiply
    446,302.20x = 615,669.30 × 284,987.64
  4. Step 4: Simplify right side
    446,302.20x = 175,458,140,827.45
  5. Step 5: Solve for x
    x = 175,458,140,827.45/446,302.20
  6. Step 6: Final answer
    x = 393,137.52

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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.