Home / 788,548.66-1,182,921.35-308,714.47

Finding the Fourth Proportional to 788,548.66, 1,182,921.35 and 308,714.47

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Solution

The fourth proportional to 788,548.66, 1,182,921.35 and 308,714.47 is: 463,110.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,548.66 : 1,182,921.35 = 308,714.47 : x
  2. Step 2: Convert to fraction form
    788,548.66/1,182,921.35 = 308,714.47/x
  3. Step 3: Cross multiply
    788,548.66x = 1,182,921.35 × 308,714.47
  4. Step 4: Simplify right side
    788,548.66x = 365,184,933,116.06
  5. Step 5: Solve for x
    x = 365,184,933,116.06/788,548.66
  6. Step 6: Final answer
    x = 463,110.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.