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Finding the Fourth Proportional to 610,648.46, 842,674.75 and 368,888.77

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Solution

The fourth proportional to 610,648.46, 842,674.75 and 368,888.77 is: 509,054.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,648.46 : 842,674.75 = 368,888.77 : x
  2. Step 2: Convert to fraction form
    610,648.46/842,674.75 = 368,888.77/x
  3. Step 3: Cross multiply
    610,648.46x = 842,674.75 × 368,888.77
  4. Step 4: Simplify right side
    610,648.46x = 310,853,252,037.56
  5. Step 5: Solve for x
    x = 310,853,252,037.56/610,648.46
  6. Step 6: Final answer
    x = 509,054.35

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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.