Home / 854,351.32-1,178,914.60-472,316.44

Finding the Fourth Proportional to 854,351.32, 1,178,914.60 and 472,316.44

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Solution

The fourth proportional to 854,351.32, 1,178,914.60 and 472,316.44 is: 651,746.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,351.32 : 1,178,914.60 = 472,316.44 : x
  2. Step 2: Convert to fraction form
    854,351.32/1,178,914.60 = 472,316.44/x
  3. Step 3: Cross multiply
    854,351.32x = 1,178,914.60 × 472,316.44
  4. Step 4: Simplify right side
    854,351.32x = 556,820,746,936.02
  5. Step 5: Solve for x
    x = 556,820,746,936.02/854,351.32
  6. Step 6: Final answer
    x = 651,746.81

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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.