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Finding the Fourth Proportional to 633,058.64, 873,621.12 and 346,596.92

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Solution

The fourth proportional to 633,058.64, 873,621.12 and 346,596.92 is: 478,303.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,058.64 : 873,621.12 = 346,596.92 : x
  2. Step 2: Convert to fraction form
    633,058.64/873,621.12 = 346,596.92/x
  3. Step 3: Cross multiply
    633,058.64x = 873,621.12 × 346,596.92
  4. Step 4: Simplify right side
    633,058.64x = 302,794,389,438.95
  5. Step 5: Solve for x
    x = 302,794,389,438.95/633,058.64
  6. Step 6: Final answer
    x = 478,303.86

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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.