Home / 841,776.49-1,262,664.60-309,067.03

Finding the Fourth Proportional to 841,776.49, 1,262,664.60 and 309,067.03

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Solution

The fourth proportional to 841,776.49, 1,262,664.60 and 309,067.03 is: 463,600.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,776.49 : 1,262,664.60 = 309,067.03 : x
  2. Step 2: Convert to fraction form
    841,776.49/1,262,664.60 = 309,067.03/x
  3. Step 3: Cross multiply
    841,776.49x = 1,262,664.60 × 309,067.03
  4. Step 4: Simplify right side
    841,776.49x = 390,247,997,808.14
  5. Step 5: Solve for x
    x = 390,247,997,808.14/841,776.49
  6. Step 6: Final answer
    x = 463,600.50

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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.