Home / 854,029.05-1,178,583.89-472,080.39

Finding the Fourth Proportional to 854,029.05, 1,178,583.89 and 472,080.39

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Solution

The fourth proportional to 854,029.05, 1,178,583.89 and 472,080.39 is: 651,484.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,029.05 : 1,178,583.89 = 472,080.39 : x
  2. Step 2: Convert to fraction form
    854,029.05/1,178,583.89 = 472,080.39/x
  3. Step 3: Cross multiply
    854,029.05x = 1,178,583.89 × 472,080.39
  4. Step 4: Simplify right side
    854,029.05x = 556,386,342,438.92
  5. Step 5: Solve for x
    x = 556,386,342,438.92/854,029.05
  6. Step 6: Final answer
    x = 651,484.09

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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.