Home / 993,378.80-1,489,225.80-361,924.40

Finding the Fourth Proportional to 993,378.80, 1,489,225.80 and 361,924.40

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Solution

The fourth proportional to 993,378.80, 1,489,225.80 and 361,924.40 is: 542,579.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,378.80 : 1,489,225.80 = 361,924.40 : x
  2. Step 2: Convert to fraction form
    993,378.80/1,489,225.80 = 361,924.40/x
  3. Step 3: Cross multiply
    993,378.80x = 1,489,225.80 × 361,924.40
  4. Step 4: Simplify right side
    993,378.80x = 538,987,154,129.52
  5. Step 5: Solve for x
    x = 538,987,154,129.52/993,378.80
  6. Step 6: Final answer
    x = 542,579.68

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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.