Home / 841,888.22-1,263,330.54-309,782.88

Finding the Fourth Proportional to 841,888.22, 1,263,330.54 and 309,782.88

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Solution

The fourth proportional to 841,888.22, 1,263,330.54 and 309,782.88 is: 464,857.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,888.22 : 1,263,330.54 = 309,782.88 : x
  2. Step 2: Convert to fraction form
    841,888.22/1,263,330.54 = 309,782.88/x
  3. Step 3: Cross multiply
    841,888.22x = 1,263,330.54 × 309,782.88
  4. Step 4: Simplify right side
    841,888.22x = 391,358,173,073.16
  5. Step 5: Solve for x
    x = 391,358,173,073.16/841,888.22
  6. Step 6: Final answer
    x = 464,857.65

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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.