Home / 605,285.69-835,267.32-346,977.45

Finding the Fourth Proportional to 605,285.69, 835,267.32 and 346,977.45

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Solution

The fourth proportional to 605,285.69, 835,267.32 and 346,977.45 is: 478,813.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,285.69 : 835,267.32 = 346,977.45 : x
  2. Step 2: Convert to fraction form
    605,285.69/835,267.32 = 346,977.45/x
  3. Step 3: Cross multiply
    605,285.69x = 835,267.32 × 346,977.45
  4. Step 4: Simplify right side
    605,285.69x = 289,818,921,436.87
  5. Step 5: Solve for x
    x = 289,818,921,436.87/605,285.69
  6. Step 6: Final answer
    x = 478,813.44

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1.5x scale

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.