Home / 679,054.50-937,112.70-384,680.04

Finding the Fourth Proportional to 679,054.50, 937,112.70 and 384,680.04

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Solution

The fourth proportional to 679,054.50, 937,112.70 and 384,680.04 is: 530,868.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,054.50 : 937,112.70 = 384,680.04 : x
  2. Step 2: Convert to fraction form
    679,054.50/937,112.70 = 384,680.04/x
  3. Step 3: Cross multiply
    679,054.50x = 937,112.70 × 384,680.04
  4. Step 4: Simplify right side
    679,054.50x = 360,488,550,920.51
  5. Step 5: Solve for x
    x = 360,488,550,920.51/679,054.50
  6. Step 6: Final answer
    x = 530,868.36

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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.