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Finding the Fourth Proportional to 607,250.97, 909,717.35 and 340,203.69

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Solution

The fourth proportional to 607,250.97, 909,717.35 and 340,203.69 is: 509,656.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,250.97 : 909,717.35 = 340,203.69 : x
  2. Step 2: Convert to fraction form
    607,250.97/909,717.35 = 340,203.69/x
  3. Step 3: Cross multiply
    607,250.97x = 909,717.35 × 340,203.69
  4. Step 4: Simplify right side
    607,250.97x = 309,489,197,626.00
  5. Step 5: Solve for x
    x = 309,489,197,626.00/607,250.97
  6. Step 6: Final answer
    x = 509,656.16

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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.