Home / 672,014.40-1,008,021.60-649,204.80

Finding the Fourth Proportional to 672,014.40, 1,008,021.60 and 649,204.80

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Solution

The fourth proportional to 672,014.40, 1,008,021.60 and 649,204.80 is: 973,807.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,014.40 : 1,008,021.60 = 649,204.80 : x
  2. Step 2: Convert to fraction form
    672,014.40/1,008,021.60 = 649,204.80/x
  3. Step 3: Cross multiply
    672,014.40x = 1,008,021.60 × 649,204.80
  4. Step 4: Simplify right side
    672,014.40x = 654,412,461,223.68
  5. Step 5: Solve for x
    x = 654,412,461,223.68/672,014.40
  6. Step 6: Final answer
    x = 973,807.20

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1.5x scale

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.