Home / 830,442.28-1,146,010.36-448,469.06

Finding the Fourth Proportional to 830,442.28, 1,146,010.36 and 448,469.06

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Solution

The fourth proportional to 830,442.28, 1,146,010.36 and 448,469.06 is: 618,887.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,442.28 : 1,146,010.36 = 448,469.06 : x
  2. Step 2: Convert to fraction form
    830,442.28/1,146,010.36 = 448,469.06/x
  3. Step 3: Cross multiply
    830,442.28x = 1,146,010.36 × 448,469.06
  4. Step 4: Simplify right side
    830,442.28x = 513,950,192,558.58
  5. Step 5: Solve for x
    x = 513,950,192,558.58/830,442.28
  6. Step 6: Final answer
    x = 618,887.31

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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.