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Finding the Fourth Proportional to 637,362.34, 879,611.45 and 365,455.53

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Solution

The fourth proportional to 637,362.34, 879,611.45 and 365,455.53 is: 504,358.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,362.34 : 879,611.45 = 365,455.53 : x
  2. Step 2: Convert to fraction form
    637,362.34/879,611.45 = 365,455.53/x
  3. Step 3: Cross multiply
    637,362.34x = 879,611.45 × 365,455.53
  4. Step 4: Simplify right side
    637,362.34x = 321,458,866,826.54
  5. Step 5: Solve for x
    x = 321,458,866,826.54/637,362.34
  6. Step 6: Final answer
    x = 504,358.11

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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.