Home / 865,409.52-1,297,411.93-360,348.36

Finding the Fourth Proportional to 865,409.52, 1,297,411.93 and 360,348.36

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Solution

The fourth proportional to 865,409.52, 1,297,411.93 and 360,348.36 is: 540,230.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,409.52 : 1,297,411.93 = 360,348.36 : x
  2. Step 2: Convert to fraction form
    865,409.52/1,297,411.93 = 360,348.36/x
  3. Step 3: Cross multiply
    865,409.52x = 1,297,411.93 × 360,348.36
  4. Step 4: Simplify right side
    865,409.52x = 467,520,261,219.94
  5. Step 5: Solve for x
    x = 467,520,261,219.94/865,409.52
  6. Step 6: Final answer
    x = 540,230.09

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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.