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Finding the Fourth Proportional to 637,360, 879,598.80 and 369,088

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Solution

The fourth proportional to 637,360, 879,598.80 and 369,088 is: 509,365.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,360 : 879,598.80 = 369,088 : x
  2. Step 2: Convert to fraction form
    637,360/879,598.80 = 369,088/x
  3. Step 3: Cross multiply
    637,360x = 879,598.80 × 369,088
  4. Step 4: Simplify right side
    637,360x = 324,649,361,894.40
  5. Step 5: Solve for x
    x = 324,649,361,894.40/637,360
  6. Step 6: Final answer
    x = 509,365.76

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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.