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Finding the Fourth Proportional to 637,356, 879,593.28 and 369,084

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Solution

The fourth proportional to 637,356, 879,593.28 and 369,084 is: 509,360.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,356 : 879,593.28 = 369,084 : x
  2. Step 2: Convert to fraction form
    637,356/879,593.28 = 369,084/x
  3. Step 3: Cross multiply
    637,356x = 879,593.28 × 369,084
  4. Step 4: Simplify right side
    637,356x = 324,643,806,155.52
  5. Step 5: Solve for x
    x = 324,643,806,155.52/637,356
  6. Step 6: Final answer
    x = 509,360.24

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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.