Home / 870,477.84-1,201,260.06-488,504.57

Finding the Fourth Proportional to 870,477.84, 1,201,260.06 and 488,504.57

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Solution

The fourth proportional to 870,477.84, 1,201,260.06 and 488,504.57 is: 674,136.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,477.84 : 1,201,260.06 = 488,504.57 : x
  2. Step 2: Convert to fraction form
    870,477.84/1,201,260.06 = 488,504.57/x
  3. Step 3: Cross multiply
    870,477.84x = 1,201,260.06 × 488,504.57
  4. Step 4: Simplify right side
    870,477.84x = 586,821,023,062.17
  5. Step 5: Solve for x
    x = 586,821,023,062.17/870,477.84
  6. Step 6: Final answer
    x = 674,136.66

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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.