Home / 870,558.48-1,201,487.94-488,606.16

Finding the Fourth Proportional to 870,558.48, 1,201,487.94 and 488,606.16

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Solution

The fourth proportional to 870,558.48, 1,201,487.94 and 488,606.16 is: 674,342.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,558.48 : 1,201,487.94 = 488,606.16 : x
  2. Step 2: Convert to fraction form
    870,558.48/1,201,487.94 = 488,606.16/x
  3. Step 3: Cross multiply
    870,558.48x = 1,201,487.94 × 488,606.16
  4. Step 4: Simplify right side
    870,558.48x = 587,054,408,649.71
  5. Step 5: Solve for x
    x = 587,054,408,649.71/870,558.48
  6. Step 6: Final answer
    x = 674,342.30

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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.