Home / 684,295.20-1,026,442.80-305,215.20

Finding the Fourth Proportional to 684,295.20, 1,026,442.80 and 305,215.20

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Solution

The fourth proportional to 684,295.20, 1,026,442.80 and 305,215.20 is: 457,822.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,295.20 : 1,026,442.80 = 305,215.20 : x
  2. Step 2: Convert to fraction form
    684,295.20/1,026,442.80 = 305,215.20/x
  3. Step 3: Cross multiply
    684,295.20x = 1,026,442.80 × 305,215.20
  4. Step 4: Simplify right side
    684,295.20x = 313,285,944,490.56
  5. Step 5: Solve for x
    x = 313,285,944,490.56/684,295.20
  6. Step 6: Final answer
    x = 457,822.80

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1.5x scale

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.