Home / 870,570.48-1,201,504.50-488,618.16

Finding the Fourth Proportional to 870,570.48, 1,201,504.50 and 488,618.16

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Solution

The fourth proportional to 870,570.48, 1,201,504.50 and 488,618.16 is: 674,358.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,570.48 : 1,201,504.50 = 488,618.16 : x
  2. Step 2: Convert to fraction form
    870,570.48/1,201,504.50 = 488,618.16/x
  3. Step 3: Cross multiply
    870,570.48x = 1,201,504.50 × 488,618.16
  4. Step 4: Simplify right side
    870,570.48x = 587,076,918,021.72
  5. Step 5: Solve for x
    x = 587,076,918,021.72/870,570.48
  6. Step 6: Final answer
    x = 674,358.86

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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.