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Finding the Fourth Proportional to 637,133.64, 879,228.24 and 346,732.86

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Solution

The fourth proportional to 637,133.64, 879,228.24 and 346,732.86 is: 478,482.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,133.64 : 879,228.24 = 346,732.86 : x
  2. Step 2: Convert to fraction form
    637,133.64/879,228.24 = 346,732.86/x
  3. Step 3: Cross multiply
    637,133.64x = 879,228.24 × 346,732.86
  4. Step 4: Simplify right side
    637,133.64x = 304,857,322,247.97
  5. Step 5: Solve for x
    x = 304,857,322,247.97/637,133.64
  6. Step 6: Final answer
    x = 478,482.54

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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.