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Finding the Fourth Proportional to 610,192.47, 842,158.82 and 389,525.09

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Solution

The fourth proportional to 610,192.47, 842,158.82 and 389,525.09 is: 537,604.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,192.47 : 842,158.82 = 389,525.09 : x
  2. Step 2: Convert to fraction form
    610,192.47/842,158.82 = 389,525.09/x
  3. Step 3: Cross multiply
    610,192.47x = 842,158.82 × 389,525.09
  4. Step 4: Simplify right side
    610,192.47x = 328,041,983,996.37
  5. Step 5: Solve for x
    x = 328,041,983,996.37/610,192.47
  6. Step 6: Final answer
    x = 537,604.12

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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.