Home / 870,568.48-1,201,501.74-488,616.16

Finding the Fourth Proportional to 870,568.48, 1,201,501.74 and 488,616.16

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Solution

The fourth proportional to 870,568.48, 1,201,501.74 and 488,616.16 is: 674,356.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,568.48 : 1,201,501.74 = 488,616.16 : x
  2. Step 2: Convert to fraction form
    870,568.48/1,201,501.74 = 488,616.16/x
  3. Step 3: Cross multiply
    870,568.48x = 1,201,501.74 × 488,616.16
  4. Step 4: Simplify right side
    870,568.48x = 587,073,166,432.12
  5. Step 5: Solve for x
    x = 587,073,166,432.12/870,568.48
  6. Step 6: Final answer
    x = 674,356.10

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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.