Home / 710,485.68-1,065,713.34-230,712.96

Finding the Fourth Proportional to 710,485.68, 1,065,713.34 and 230,712.96

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Solution

The fourth proportional to 710,485.68, 1,065,713.34 and 230,712.96 is: 346,064.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,485.68 : 1,065,713.34 = 230,712.96 : x
  2. Step 2: Convert to fraction form
    710,485.68/1,065,713.34 = 230,712.96/x
  3. Step 3: Cross multiply
    710,485.68x = 1,065,713.34 × 230,712.96
  4. Step 4: Simplify right side
    710,485.68x = 245,873,879,182.89
  5. Step 5: Solve for x
    x = 245,873,879,182.89/710,485.68
  6. Step 6: Final answer
    x = 346,064.51

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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.