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Finding the Fourth Proportional to 634,576.68, 875,699.37 and 362,627.28

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Solution

The fourth proportional to 634,576.68, 875,699.37 and 362,627.28 is: 500,416.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,576.68 : 875,699.37 = 362,627.28 : x
  2. Step 2: Convert to fraction form
    634,576.68/875,699.37 = 362,627.28/x
  3. Step 3: Cross multiply
    634,576.68x = 875,699.37 × 362,627.28
  4. Step 4: Simplify right side
    634,576.68x = 317,552,480,640.81
  5. Step 5: Solve for x
    x = 317,552,480,640.81/634,576.68
  6. Step 6: Final answer
    x = 500,416.25

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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.