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Finding the Fourth Proportional to 610,235.86, 842,169.84 and 368,577.22

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Solution

The fourth proportional to 610,235.86, 842,169.84 and 368,577.22 is: 508,663.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,235.86 : 842,169.84 = 368,577.22 : x
  2. Step 2: Convert to fraction form
    610,235.86/842,169.84 = 368,577.22/x
  3. Step 3: Cross multiply
    610,235.86x = 842,169.84 × 368,577.22
  4. Step 4: Simplify right side
    610,235.86x = 310,404,618,395.05
  5. Step 5: Solve for x
    x = 310,404,618,395.05/610,235.86
  6. Step 6: Final answer
    x = 508,663.35

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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.