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Finding the Fourth Proportional to 637,262.52, 879,445.47 and 346,860.03

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Solution

The fourth proportional to 637,262.52, 879,445.47 and 346,860.03 is: 478,679.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,262.52 : 879,445.47 = 346,860.03 : x
  2. Step 2: Convert to fraction form
    637,262.52/879,445.47 = 346,860.03/x
  3. Step 3: Cross multiply
    637,262.52x = 879,445.47 × 346,860.03
  4. Step 4: Simplify right side
    637,262.52x = 305,044,482,107.56
  5. Step 5: Solve for x
    x = 305,044,482,107.56/637,262.52
  6. Step 6: Final answer
    x = 478,679.46

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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.