Home / 870,082.06-1,200,721.42-488,117.04

Finding the Fourth Proportional to 870,082.06, 1,200,721.42 and 488,117.04

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Solution

The fourth proportional to 870,082.06, 1,200,721.42 and 488,117.04 is: 673,606.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,082.06 : 1,200,721.42 = 488,117.04 : x
  2. Step 2: Convert to fraction form
    870,082.06/1,200,721.42 = 488,117.04/x
  3. Step 3: Cross multiply
    870,082.06x = 1,200,721.42 × 488,117.04
  4. Step 4: Simplify right side
    870,082.06x = 586,092,585,395.00
  5. Step 5: Solve for x
    x = 586,092,585,395.00/870,082.06
  6. Step 6: Final answer
    x = 673,606.10

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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.