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Finding the Fourth Proportional to 610,647.46, 842,673.38 and 368,887.77

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Solution

The fourth proportional to 610,647.46, 842,673.38 and 368,887.77 is: 509,052.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,647.46 : 842,673.38 = 368,887.77 : x
  2. Step 2: Convert to fraction form
    610,647.46/842,673.38 = 368,887.77/x
  3. Step 3: Cross multiply
    610,647.46x = 842,673.38 × 368,887.77
  4. Step 4: Simplify right side
    610,647.46x = 310,851,902,142.12
  5. Step 5: Solve for x
    x = 310,851,902,142.12/610,647.46
  6. Step 6: Final answer
    x = 509,052.97

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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.