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Finding the Fourth Proportional to 614,989.51, 848,691.04 and 339,359.62

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Solution

The fourth proportional to 614,989.51, 848,691.04 and 339,359.62 is: 468,319.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,989.51 : 848,691.04 = 339,359.62 : x
  2. Step 2: Convert to fraction form
    614,989.51/848,691.04 = 339,359.62/x
  3. Step 3: Cross multiply
    614,989.51x = 848,691.04 × 339,359.62
  4. Step 4: Simplify right side
    614,989.51x = 288,011,464,588.35
  5. Step 5: Solve for x
    x = 288,011,464,588.35/614,989.51
  6. Step 6: Final answer
    x = 468,319.32

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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.