Home / 854,028.05-1,178,582.51-472,079.39

Finding the Fourth Proportional to 854,028.05, 1,178,582.51 and 472,079.39

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Solution

The fourth proportional to 854,028.05, 1,178,582.51 and 472,079.39 is: 651,482.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,028.05 : 1,178,582.51 = 472,079.39 : x
  2. Step 2: Convert to fraction form
    854,028.05/1,178,582.51 = 472,079.39/x
  3. Step 3: Cross multiply
    854,028.05x = 1,178,582.51 × 472,079.39
  4. Step 4: Simplify right side
    854,028.05x = 556,384,507,672.76
  5. Step 5: Solve for x
    x = 556,384,507,672.76/854,028.05
  6. Step 6: Final answer
    x = 651,482.71

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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.