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Finding the Fourth Proportional to 850,086, 1,173,118.68 and 468,111.87

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Solution

The fourth proportional to 850,086, 1,173,118.68 and 468,111.87 is: 645,994.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,086 : 1,173,118.68 = 468,111.87 : x
  2. Step 2: Convert to fraction form
    850,086/1,173,118.68 = 468,111.87/x
  3. Step 3: Cross multiply
    850,086x = 1,173,118.68 × 468,111.87
  4. Step 4: Simplify right side
    850,086x = 549,150,779,026.73
  5. Step 5: Solve for x
    x = 549,150,779,026.73/850,086
  6. Step 6: Final answer
    x = 645,994.38

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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.