Home / 649,289.40-973,934.10-470,959.80

Finding the Fourth Proportional to 649,289.40, 973,934.10 and 470,959.80

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Solution

The fourth proportional to 649,289.40, 973,934.10 and 470,959.80 is: 706,439.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,289.40 : 973,934.10 = 470,959.80 : x
  2. Step 2: Convert to fraction form
    649,289.40/973,934.10 = 470,959.80/x
  3. Step 3: Cross multiply
    649,289.40x = 973,934.10 × 470,959.80
  4. Step 4: Simplify right side
    649,289.40x = 458,683,808,949.18
  5. Step 5: Solve for x
    x = 458,683,808,949.18/649,289.40
  6. Step 6: Final answer
    x = 706,439.70

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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.