Home / 830,755.80-1,146,442.26-448,782.48

Finding the Fourth Proportional to 830,755.80, 1,146,442.26 and 448,782.48

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Solution

The fourth proportional to 830,755.80, 1,146,442.26 and 448,782.48 is: 619,319.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,755.80 : 1,146,442.26 = 448,782.48 : x
  2. Step 2: Convert to fraction form
    830,755.80/1,146,442.26 = 448,782.48/x
  3. Step 3: Cross multiply
    830,755.80x = 1,146,442.26 × 448,782.48
  4. Step 4: Simplify right side
    830,755.80x = 514,503,200,619.61
  5. Step 5: Solve for x
    x = 514,503,200,619.61/830,755.80
  6. Step 6: Final answer
    x = 619,319.42

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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.