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Finding the Fourth Proportional to 637,559.71, 879,738.98 and 365,639.06

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Solution

The fourth proportional to 637,559.71, 879,738.98 and 365,639.06 is: 504,528.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,559.71 : 879,738.98 = 365,639.06 : x
  2. Step 2: Convert to fraction form
    637,559.71/879,738.98 = 365,639.06/x
  3. Step 3: Cross multiply
    637,559.71x = 879,738.98 × 365,639.06
  4. Step 4: Simplify right side
    637,559.71x = 321,666,934,063.71
  5. Step 5: Solve for x
    x = 321,666,934,063.71/637,559.71
  6. Step 6: Final answer
    x = 504,528.33

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1.5x scale

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.