Home / 851,088.96-1,276,495.20-401,808.96

Finding the Fourth Proportional to 851,088.96, 1,276,495.20 and 401,808.96

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Solution

The fourth proportional to 851,088.96, 1,276,495.20 and 401,808.96 is: 602,648.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,088.96 : 1,276,495.20 = 401,808.96 : x
  2. Step 2: Convert to fraction form
    851,088.96/1,276,495.20 = 401,808.96/x
  3. Step 3: Cross multiply
    851,088.96x = 1,276,495.20 × 401,808.96
  4. Step 4: Simplify right side
    851,088.96x = 512,907,208,756.99
  5. Step 5: Solve for x
    x = 512,907,208,756.99/851,088.96
  6. Step 6: Final answer
    x = 602,648.18

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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.