Home / 845,967.90-1,268,656.70-340,397.90

Finding the Fourth Proportional to 845,967.90, 1,268,656.70 and 340,397.90

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Solution

The fourth proportional to 845,967.90, 1,268,656.70 and 340,397.90 is: 510,478.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,967.90 : 1,268,656.70 = 340,397.90 : x
  2. Step 2: Convert to fraction form
    845,967.90/1,268,656.70 = 340,397.90/x
  3. Step 3: Cross multiply
    845,967.90x = 1,268,656.70 × 340,397.90
  4. Step 4: Simplify right side
    845,967.90x = 431,848,068,455.66
  5. Step 5: Solve for x
    x = 431,848,068,455.66/845,967.90
  6. Step 6: Final answer
    x = 510,478.08

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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.