Home / 770,602.60-1,063,388.82-431,005.24

Finding the Fourth Proportional to 770,602.60, 1,063,388.82 and 431,005.24

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Solution

The fourth proportional to 770,602.60, 1,063,388.82 and 431,005.24 is: 594,763.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,602.60 : 1,063,388.82 = 431,005.24 : x
  2. Step 2: Convert to fraction form
    770,602.60/1,063,388.82 = 431,005.24/x
  3. Step 3: Cross multiply
    770,602.60x = 1,063,388.82 × 431,005.24
  4. Step 4: Simplify right side
    770,602.60x = 458,326,153,577.42
  5. Step 5: Solve for x
    x = 458,326,153,577.42/770,602.60
  6. Step 6: Final answer
    x = 594,763.31

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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.