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Finding the Fourth Proportional to 637,500.08, 879,756.60 and 351,046.76

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Solution

The fourth proportional to 637,500.08, 879,756.60 and 351,046.76 is: 484,448.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,500.08 : 879,756.60 = 351,046.76 : x
  2. Step 2: Convert to fraction form
    637,500.08/879,756.60 = 351,046.76/x
  3. Step 3: Cross multiply
    637,500.08x = 879,756.60 × 351,046.76
  4. Step 4: Simplify right side
    637,500.08x = 308,835,704,018.62
  5. Step 5: Solve for x
    x = 308,835,704,018.62/637,500.08
  6. Step 6: Final answer
    x = 484,448.10

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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.