Home / 770,984.08-1,063,853.43-448,445.32

Finding the Fourth Proportional to 770,984.08, 1,063,853.43 and 448,445.32

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Solution

The fourth proportional to 770,984.08, 1,063,853.43 and 448,445.32 is: 618,793.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,984.08 : 1,063,853.43 = 448,445.32 : x
  2. Step 2: Convert to fraction form
    770,984.08/1,063,853.43 = 448,445.32/x
  3. Step 3: Cross multiply
    770,984.08x = 1,063,853.43 × 448,445.32
  4. Step 4: Simplify right side
    770,984.08x = 477,080,091,849.45
  5. Step 5: Solve for x
    x = 477,080,091,849.45/770,984.08
  6. Step 6: Final answer
    x = 618,793.70

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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.