Home / 705,768.96-1,057,913.28-345,442.98

Finding the Fourth Proportional to 705,768.96, 1,057,913.28 and 345,442.98

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Solution

The fourth proportional to 705,768.96, 1,057,913.28 and 345,442.98 is: 517,802.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,768.96 : 1,057,913.28 = 345,442.98 : x
  2. Step 2: Convert to fraction form
    705,768.96/1,057,913.28 = 345,442.98/x
  3. Step 3: Cross multiply
    705,768.96x = 1,057,913.28 × 345,442.98
  4. Step 4: Simplify right side
    705,768.96x = 365,448,716,024.77
  5. Step 5: Solve for x
    x = 365,448,716,024.77/705,768.96
  6. Step 6: Final answer
    x = 517,802.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.