Home / 870,908.16-1,201,814.72-488,927.36

Finding the Fourth Proportional to 870,908.16, 1,201,814.72 and 488,927.36

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Solution

The fourth proportional to 870,908.16, 1,201,814.72 and 488,927.36 is: 674,698.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,908.16 : 1,201,814.72 = 488,927.36 : x
  2. Step 2: Convert to fraction form
    870,908.16/1,201,814.72 = 488,927.36/x
  3. Step 3: Cross multiply
    870,908.16x = 1,201,814.72 × 488,927.36
  4. Step 4: Simplify right side
    870,908.16x = 587,600,098,258.74
  5. Step 5: Solve for x
    x = 587,600,098,258.74/870,908.16
  6. Step 6: Final answer
    x = 674,698.12

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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.