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Finding the Fourth Proportional to 633,031.83, 873,599.31 and 346,551.03

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Solution

The fourth proportional to 633,031.83, 873,599.31 and 346,551.03 is: 478,248.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,031.83 : 873,599.31 = 346,551.03 : x
  2. Step 2: Convert to fraction form
    633,031.83/873,599.31 = 346,551.03/x
  3. Step 3: Cross multiply
    633,031.83x = 873,599.31 × 346,551.03
  4. Step 4: Simplify right side
    633,031.83x = 302,746,740,687.79
  5. Step 5: Solve for x
    x = 302,746,740,687.79/633,031.83
  6. Step 6: Final answer
    x = 478,248.84

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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.