Home / 870,571.98-1,201,506.57-488,619.66

Finding the Fourth Proportional to 870,571.98, 1,201,506.57 and 488,619.66

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Solution

The fourth proportional to 870,571.98, 1,201,506.57 and 488,619.66 is: 674,360.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,571.98 : 1,201,506.57 = 488,619.66 : x
  2. Step 2: Convert to fraction form
    870,571.98/1,201,506.57 = 488,619.66/x
  3. Step 3: Cross multiply
    870,571.98x = 1,201,506.57 × 488,619.66
  4. Step 4: Simplify right side
    870,571.98x = 587,079,731,721.17
  5. Step 5: Solve for x
    x = 587,079,731,721.17/870,571.98
  6. Step 6: Final answer
    x = 674,360.93

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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.