Home / 855,633.98-1,180,788.81-468,442.86

Finding the Fourth Proportional to 855,633.98, 1,180,788.81 and 468,442.86

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Solution

The fourth proportional to 855,633.98, 1,180,788.81 and 468,442.86 is: 646,458.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,633.98 : 1,180,788.81 = 468,442.86 : x
  2. Step 2: Convert to fraction form
    855,633.98/1,180,788.81 = 468,442.86/x
  3. Step 3: Cross multiply
    855,633.98x = 1,180,788.81 × 468,442.86
  4. Step 4: Simplify right side
    855,633.98x = 553,132,087,212.40
  5. Step 5: Solve for x
    x = 553,132,087,212.40/855,633.98
  6. Step 6: Final answer
    x = 646,458.77

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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.