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Finding the Fourth Proportional to 615,114.04, 848,878.32 and 356,971.12

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Solution

The fourth proportional to 615,114.04, 848,878.32 and 356,971.12 is: 492,632.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,114.04 : 848,878.32 = 356,971.12 : x
  2. Step 2: Convert to fraction form
    615,114.04/848,878.32 = 356,971.12/x
  3. Step 3: Cross multiply
    615,114.04x = 848,878.32 × 356,971.12
  4. Step 4: Simplify right side
    615,114.04x = 303,025,044,634.12
  5. Step 5: Solve for x
    x = 303,025,044,634.12/615,114.04
  6. Step 6: Final answer
    x = 492,632.30

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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.