Home / 855,848.34-1,181,085.21-468,657.54

Finding the Fourth Proportional to 855,848.34, 1,181,085.21 and 468,657.54

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Solution

The fourth proportional to 855,848.34, 1,181,085.21 and 468,657.54 is: 646,755.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,848.34 : 1,181,085.21 = 468,657.54 : x
  2. Step 2: Convert to fraction form
    855,848.34/1,181,085.21 = 468,657.54/x
  3. Step 3: Cross multiply
    855,848.34x = 1,181,085.21 × 468,657.54
  4. Step 4: Simplify right side
    855,848.34x = 553,524,489,048.98
  5. Step 5: Solve for x
    x = 553,524,489,048.98/855,848.34
  6. Step 6: Final answer
    x = 646,755.35

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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.