Home / 980,814.80-1,353,631.56-598,840.40

Finding the Fourth Proportional to 980,814.80, 1,353,631.56 and 598,840.40

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Solution

The fourth proportional to 980,814.80, 1,353,631.56 and 598,840.40 is: 826,465.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,814.80 : 1,353,631.56 = 598,840.40 : x
  2. Step 2: Convert to fraction form
    980,814.80/1,353,631.56 = 598,840.40/x
  3. Step 3: Cross multiply
    980,814.80x = 1,353,631.56 × 598,840.40
  4. Step 4: Simplify right side
    980,814.80x = 810,609,264,843.02
  5. Step 5: Solve for x
    x = 810,609,264,843.02/980,814.80
  6. Step 6: Final answer
    x = 826,465.16

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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.