Home / 830,453.05-1,146,025.24-448,479.83

Finding the Fourth Proportional to 830,453.05, 1,146,025.24 and 448,479.83

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Solution

The fourth proportional to 830,453.05, 1,146,025.24 and 448,479.83 is: 618,902.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,453.05 : 1,146,025.24 = 448,479.83 : x
  2. Step 2: Convert to fraction form
    830,453.05/1,146,025.24 = 448,479.83/x
  3. Step 3: Cross multiply
    830,453.05x = 1,146,025.24 × 448,479.83
  4. Step 4: Simplify right side
    830,453.05x = 513,969,204,810.91
  5. Step 5: Solve for x
    x = 513,969,204,810.91/830,453.05
  6. Step 6: Final answer
    x = 618,902.18

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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.