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Finding the Fourth Proportional to 607,074.75, 837,763.17 and 338,802.75

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Solution

The fourth proportional to 607,074.75, 837,763.17 and 338,802.75 is: 467,547.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,074.75 : 837,763.17 = 338,802.75 : x
  2. Step 2: Convert to fraction form
    607,074.75/837,763.17 = 338,802.75/x
  3. Step 3: Cross multiply
    607,074.75x = 837,763.17 × 338,802.75
  4. Step 4: Simplify right side
    607,074.75x = 283,836,465,844.72
  5. Step 5: Solve for x
    x = 283,836,465,844.72/607,074.75
  6. Step 6: Final answer
    x = 467,547.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.