Home / 854,064.78-1,178,609.66-466,881.90

Finding the Fourth Proportional to 854,064.78, 1,178,609.66 and 466,881.90

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Solution

The fourth proportional to 854,064.78, 1,178,609.66 and 466,881.90 is: 644,297.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,064.78 : 1,178,609.66 = 466,881.90 : x
  2. Step 2: Convert to fraction form
    854,064.78/1,178,609.66 = 466,881.90/x
  3. Step 3: Cross multiply
    854,064.78x = 1,178,609.66 × 466,881.90
  4. Step 4: Simplify right side
    854,064.78x = 550,271,517,043.69
  5. Step 5: Solve for x
    x = 550,271,517,043.69/854,064.78
  6. Step 6: Final answer
    x = 644,297.16

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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.