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Finding the Fourth Proportional to 850,374, 1,173,516.12 and 468,399.60

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Solution

The fourth proportional to 850,374, 1,173,516.12 and 468,399.60 is: 646,391.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,374 : 1,173,516.12 = 468,399.60 : x
  2. Step 2: Convert to fraction form
    850,374/1,173,516.12 = 468,399.60/x
  3. Step 3: Cross multiply
    850,374x = 1,173,516.12 × 468,399.60
  4. Step 4: Simplify right side
    850,374x = 549,674,481,201.55
  5. Step 5: Solve for x
    x = 549,674,481,201.55/850,374
  6. Step 6: Final answer
    x = 646,391.45

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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.