Home / 629,407.02-868,570.70-342,929.18

Finding the Fourth Proportional to 629,407.02, 868,570.70 and 342,929.18

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Solution

The fourth proportional to 629,407.02, 868,570.70 and 342,929.18 is: 473,236.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,407.02 : 868,570.70 = 342,929.18 : x
  2. Step 2: Convert to fraction form
    629,407.02/868,570.70 = 342,929.18/x
  3. Step 3: Cross multiply
    629,407.02x = 868,570.70 × 342,929.18
  4. Step 4: Simplify right side
    629,407.02x = 297,858,237,923.03
  5. Step 5: Solve for x
    x = 297,858,237,923.03/629,407.02
  6. Step 6: Final answer
    x = 473,236.28

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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.