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Finding the Fourth Proportional to 652,368.87, 900,268.77 and 380,384.24

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Solution

The fourth proportional to 652,368.87, 900,268.77 and 380,384.24 is: 524,930.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,368.87 : 900,268.77 = 380,384.24 : x
  2. Step 2: Convert to fraction form
    652,368.87/900,268.77 = 380,384.24/x
  3. Step 3: Cross multiply
    652,368.87x = 900,268.77 × 380,384.24
  4. Step 4: Simplify right side
    652,368.87x = 342,448,051,872.19
  5. Step 5: Solve for x
    x = 342,448,051,872.19/652,368.87
  6. Step 6: Final answer
    x = 524,930.09

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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.