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Finding the Fourth Proportional to 614,716.53, 848,369.28 and 372,980.13

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Solution

The fourth proportional to 614,716.53, 848,369.28 and 372,980.13 is: 514,749.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,716.53 : 848,369.28 = 372,980.13 : x
  2. Step 2: Convert to fraction form
    614,716.53/848,369.28 = 372,980.13/x
  3. Step 3: Cross multiply
    614,716.53x = 848,369.28 × 372,980.13
  4. Step 4: Simplify right side
    614,716.53x = 316,424,884,342.41
  5. Step 5: Solve for x
    x = 316,424,884,342.41/614,716.53
  6. Step 6: Final answer
    x = 514,749.27

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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.