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Finding the Fourth Proportional to 615,146.52, 848,967.84 and 343,308.90

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Solution

The fourth proportional to 615,146.52, 848,967.84 and 343,308.90 is: 473,802.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,146.52 : 848,967.84 = 343,308.90 : x
  2. Step 2: Convert to fraction form
    615,146.52/848,967.84 = 343,308.90/x
  3. Step 3: Cross multiply
    615,146.52x = 848,967.84 × 343,308.90
  4. Step 4: Simplify right side
    615,146.52x = 291,458,215,285.78
  5. Step 5: Solve for x
    x = 291,458,215,285.78/615,146.52
  6. Step 6: Final answer
    x = 473,802.92

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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.