Home / 714,585.73-1,071,063.22-287,848.48

Finding the Fourth Proportional to 714,585.73, 1,071,063.22 and 287,848.48

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Solution

The fourth proportional to 714,585.73, 1,071,063.22 and 287,848.48 is: 431,444.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,585.73 : 1,071,063.22 = 287,848.48 : x
  2. Step 2: Convert to fraction form
    714,585.73/1,071,063.22 = 287,848.48/x
  3. Step 3: Cross multiply
    714,585.73x = 1,071,063.22 × 287,848.48
  4. Step 4: Simplify right side
    714,585.73x = 308,303,919,860.91
  5. Step 5: Solve for x
    x = 308,303,919,860.91/714,585.73
  6. Step 6: Final answer
    x = 431,444.27

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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.