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Finding the Fourth Proportional to 521,455.04, 719,463.16 and 295,095.68

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Solution

The fourth proportional to 521,455.04, 719,463.16 and 295,095.68 is: 407,150.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,455.04 : 719,463.16 = 295,095.68 : x
  2. Step 2: Convert to fraction form
    521,455.04/719,463.16 = 295,095.68/x
  3. Step 3: Cross multiply
    521,455.04x = 719,463.16 × 295,095.68
  4. Step 4: Simplify right side
    521,455.04x = 212,310,470,435.15
  5. Step 5: Solve for x
    x = 212,310,470,435.15/521,455.04
  6. Step 6: Final answer
    x = 407,150.10

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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.