Home / 470,526.88-649,254-279,535.36

Finding the Fourth Proportional to 470,526.88, 649,254 and 279,535.36

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Solution

The fourth proportional to 470,526.88, 649,254 and 279,535.36 is: 385,715.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,526.88 : 649,254 = 279,535.36 : x
  2. Step 2: Convert to fraction form
    470,526.88/649,254 = 279,535.36/x
  3. Step 3: Cross multiply
    470,526.88x = 649,254 × 279,535.36
  4. Step 4: Simplify right side
    470,526.88x = 181,489,450,621.44
  5. Step 5: Solve for x
    x = 181,489,450,621.44/470,526.88
  6. Step 6: Final answer
    x = 385,715.37

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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.