Home / 707,029.79-975,721.61-384,760.67

Finding the Fourth Proportional to 707,029.79, 975,721.61 and 384,760.67

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Solution

The fourth proportional to 707,029.79, 975,721.61 and 384,760.67 is: 530,980.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,029.79 : 975,721.61 = 384,760.67 : x
  2. Step 2: Convert to fraction form
    707,029.79/975,721.61 = 384,760.67/x
  3. Step 3: Cross multiply
    707,029.79x = 975,721.61 × 384,760.67
  4. Step 4: Simplify right side
    707,029.79x = 375,419,296,480.37
  5. Step 5: Solve for x
    x = 375,419,296,480.37/707,029.79
  6. Step 6: Final answer
    x = 530,980.88

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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.