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Finding the Fourth Proportional to 456,888, 630,417.96 and 295,720.68

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Solution

The fourth proportional to 456,888, 630,417.96 and 295,720.68 is: 408,037.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,888 : 630,417.96 = 295,720.68 : x
  2. Step 2: Convert to fraction form
    456,888/630,417.96 = 295,720.68/x
  3. Step 3: Cross multiply
    456,888x = 630,417.96 × 295,720.68
  4. Step 4: Simplify right side
    456,888x = 186,427,627,815.41
  5. Step 5: Solve for x
    x = 186,427,627,815.41/456,888
  6. Step 6: Final answer
    x = 408,037.92

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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.