Home / 794,651.60-1,193,359.80-421,403.60

Finding the Fourth Proportional to 794,651.60, 1,193,359.80 and 421,403.60

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Solution

The fourth proportional to 794,651.60, 1,193,359.80 and 421,403.60 is: 632,838.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,651.60 : 1,193,359.80 = 421,403.60 : x
  2. Step 2: Convert to fraction form
    794,651.60/1,193,359.80 = 421,403.60/x
  3. Step 3: Cross multiply
    794,651.60x = 1,193,359.80 × 421,403.60
  4. Step 4: Simplify right side
    794,651.60x = 502,886,115,815.28
  5. Step 5: Solve for x
    x = 502,886,115,815.28/794,651.60
  6. Step 6: Final answer
    x = 632,838.49

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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.