Home / 859,925.43-1,290,043.26-354,210.33

Finding the Fourth Proportional to 859,925.43, 1,290,043.26 and 354,210.33

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Solution

The fourth proportional to 859,925.43, 1,290,043.26 and 354,210.33 is: 531,379.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,925.43 : 1,290,043.26 = 354,210.33 : x
  2. Step 2: Convert to fraction form
    859,925.43/1,290,043.26 = 354,210.33/x
  3. Step 3: Cross multiply
    859,925.43x = 1,290,043.26 × 354,210.33
  4. Step 4: Simplify right side
    859,925.43x = 456,946,648,838.88
  5. Step 5: Solve for x
    x = 456,946,648,838.88/859,925.43
  6. Step 6: Final answer
    x = 531,379.39

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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.