Home / 567,672.04-783,386.94-313,039.36

Finding the Fourth Proportional to 567,672.04, 783,386.94 and 313,039.36

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Solution

The fourth proportional to 567,672.04, 783,386.94 and 313,039.36 is: 431,994.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,672.04 : 783,386.94 = 313,039.36 : x
  2. Step 2: Convert to fraction form
    567,672.04/783,386.94 = 313,039.36/x
  3. Step 3: Cross multiply
    567,672.04x = 783,386.94 × 313,039.36
  4. Step 4: Simplify right side
    567,672.04x = 245,230,946,329.96
  5. Step 5: Solve for x
    x = 245,230,946,329.96/567,672.04
  6. Step 6: Final answer
    x = 431,994.05

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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.