Home / 631,319.04-870,962.34-466,142.85

Finding the Fourth Proportional to 631,319.04, 870,962.34 and 466,142.85

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Solution

The fourth proportional to 631,319.04, 870,962.34 and 466,142.85 is: 643,086.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,319.04 : 870,962.34 = 466,142.85 : x
  2. Step 2: Convert to fraction form
    631,319.04/870,962.34 = 466,142.85/x
  3. Step 3: Cross multiply
    631,319.04x = 870,962.34 × 466,142.85
  4. Step 4: Simplify right side
    631,319.04x = 405,992,867,410.27
  5. Step 5: Solve for x
    x = 405,992,867,410.27/631,319.04
  6. Step 6: Final answer
    x = 643,086.68

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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.