Home / 628,486.70-867,329.73-342,024.93

Finding the Fourth Proportional to 628,486.70, 867,329.73 and 342,024.93

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Solution

The fourth proportional to 628,486.70, 867,329.73 and 342,024.93 is: 472,004.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,486.70 : 867,329.73 = 342,024.93 : x
  2. Step 2: Convert to fraction form
    628,486.70/867,329.73 = 342,024.93/x
  3. Step 3: Cross multiply
    628,486.70x = 867,329.73 × 342,024.93
  4. Step 4: Simplify right side
    628,486.70x = 296,648,390,190.17
  5. Step 5: Solve for x
    x = 296,648,390,190.17/628,486.70
  6. Step 6: Final answer
    x = 472,004.25

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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.