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Finding the Fourth Proportional to 632,888.10, 873,384.12 and 346,405.68

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Solution

The fourth proportional to 632,888.10, 873,384.12 and 346,405.68 is: 478,039.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,888.10 : 873,384.12 = 346,405.68 : x
  2. Step 2: Convert to fraction form
    632,888.10/873,384.12 = 346,405.68/x
  3. Step 3: Cross multiply
    632,888.10x = 873,384.12 × 346,405.68
  4. Step 4: Simplify right side
    632,888.10x = 302,545,219,989.80
  5. Step 5: Solve for x
    x = 302,545,219,989.80/632,888.10
  6. Step 6: Final answer
    x = 478,039.04

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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.