Home / 715,340.16-1,073,224.89-288,656.46

Finding the Fourth Proportional to 715,340.16, 1,073,224.89 and 288,656.46

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Solution

The fourth proportional to 715,340.16, 1,073,224.89 and 288,656.46 is: 433,071.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,340.16 : 1,073,224.89 = 288,656.46 : x
  2. Step 2: Convert to fraction form
    715,340.16/1,073,224.89 = 288,656.46/x
  3. Step 3: Cross multiply
    715,340.16x = 1,073,224.89 × 288,656.46
  4. Step 4: Simplify right side
    715,340.16x = 309,793,297,531.29
  5. Step 5: Solve for x
    x = 309,793,297,531.29/715,340.16
  6. Step 6: Final answer
    x = 433,071.31

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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.