Home / 649,048.40-973,572.60-470,718.80

Finding the Fourth Proportional to 649,048.40, 973,572.60 and 470,718.80

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Solution

The fourth proportional to 649,048.40, 973,572.60 and 470,718.80 is: 706,078.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,048.40 : 973,572.60 = 470,718.80 : x
  2. Step 2: Convert to fraction form
    649,048.40/973,572.60 = 470,718.80/x
  3. Step 3: Cross multiply
    649,048.40x = 973,572.60 × 470,718.80
  4. Step 4: Simplify right side
    649,048.40x = 458,278,925,984.88
  5. Step 5: Solve for x
    x = 458,278,925,984.88/649,048.40
  6. Step 6: Final answer
    x = 706,078.20

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.