Home / 1,009,738.62-1,393,416.87-557,029.50

Finding the Fourth Proportional to 1,009,738.62, 1,393,416.87 and 557,029.50

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Solution

The fourth proportional to 1,009,738.62, 1,393,416.87 and 557,029.50 is: 768,688.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,738.62 : 1,393,416.87 = 557,029.50 : x
  2. Step 2: Convert to fraction form
    1,009,738.62/1,393,416.87 = 557,029.50/x
  3. Step 3: Cross multiply
    1,009,738.62x = 1,393,416.87 × 557,029.50
  4. Step 4: Simplify right side
    1,009,738.62x = 776,174,302,387.67
  5. Step 5: Solve for x
    x = 776,174,302,387.67/1,009,738.62
  6. Step 6: Final answer
    x = 768,688.34

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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.