Home / 841,894.38-1,262,054.25-309,272.40

Finding the Fourth Proportional to 841,894.38, 1,262,054.25 and 309,272.40

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Solution

The fourth proportional to 841,894.38, 1,262,054.25 and 309,272.40 is: 463,619.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,894.38 : 1,262,054.25 = 309,272.40 : x
  2. Step 2: Convert to fraction form
    841,894.38/1,262,054.25 = 309,272.40/x
  3. Step 3: Cross multiply
    841,894.38x = 1,262,054.25 × 309,272.40
  4. Step 4: Simplify right side
    841,894.38x = 390,318,546,827.70
  5. Step 5: Solve for x
    x = 390,318,546,827.70/841,894.38
  6. Step 6: Final answer
    x = 463,619.38

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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.