Home / 790,670.89-1,091,055.54-468,328.96

Finding the Fourth Proportional to 790,670.89, 1,091,055.54 and 468,328.96

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Solution

The fourth proportional to 790,670.89, 1,091,055.54 and 468,328.96 is: 646,252.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,670.89 : 1,091,055.54 = 468,328.96 : x
  2. Step 2: Convert to fraction form
    790,670.89/1,091,055.54 = 468,328.96/x
  3. Step 3: Cross multiply
    790,670.89x = 1,091,055.54 × 468,328.96
  4. Step 4: Simplify right side
    790,670.89x = 510,972,906,350.44
  5. Step 5: Solve for x
    x = 510,972,906,350.44/790,670.89
  6. Step 6: Final answer
    x = 646,252.33

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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.