Home / 710,103.12-1,064,787.48-260,708.64

Finding the Fourth Proportional to 710,103.12, 1,064,787.48 and 260,708.64

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Solution

The fourth proportional to 710,103.12, 1,064,787.48 and 260,708.64 is: 390,928.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,103.12 : 1,064,787.48 = 260,708.64 : x
  2. Step 2: Convert to fraction form
    710,103.12/1,064,787.48 = 260,708.64/x
  3. Step 3: Cross multiply
    710,103.12x = 1,064,787.48 × 260,708.64
  4. Step 4: Simplify right side
    710,103.12x = 277,599,295,799.83
  5. Step 5: Solve for x
    x = 277,599,295,799.83/710,103.12
  6. Step 6: Final answer
    x = 390,928.15

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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.