Home / 830,454.42-1,146,027.06-448,481.16

Finding the Fourth Proportional to 830,454.42, 1,146,027.06 and 448,481.16

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Solution

The fourth proportional to 830,454.42, 1,146,027.06 and 448,481.16 is: 618,903.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,454.42 : 1,146,027.06 = 448,481.16 : x
  2. Step 2: Convert to fraction form
    830,454.42/1,146,027.06 = 448,481.16/x
  3. Step 3: Cross multiply
    830,454.42x = 1,146,027.06 × 448,481.16
  4. Step 4: Simplify right side
    830,454.42x = 513,971,545,882.85
  5. Step 5: Solve for x
    x = 513,971,545,882.85/830,454.42
  6. Step 6: Final answer
    x = 618,903.98

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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.