Home / 326,824.20-488,924.10-282,938.40

Finding the Fourth Proportional to 326,824.20, 488,924.10 and 282,938.40

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Solution

The fourth proportional to 326,824.20, 488,924.10 and 282,938.40 is: 423,271.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,824.20 : 488,924.10 = 282,938.40 : x
  2. Step 2: Convert to fraction form
    326,824.20/488,924.10 = 282,938.40/x
  3. Step 3: Cross multiply
    326,824.20x = 488,924.10 × 282,938.40
  4. Step 4: Simplify right side
    326,824.20x = 138,335,402,575.44
  5. Step 5: Solve for x
    x = 138,335,402,575.44/326,824.20
  6. Step 6: Final answer
    x = 423,271.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.