Home / 470,439.02-649,159.01-266,449.23

Finding the Fourth Proportional to 470,439.02, 649,159.01 and 266,449.23

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Solution

The fourth proportional to 470,439.02, 649,159.01 and 266,449.23 is: 367,673.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,439.02 : 649,159.01 = 266,449.23 : x
  2. Step 2: Convert to fraction form
    470,439.02/649,159.01 = 266,449.23/x
  3. Step 3: Cross multiply
    470,439.02x = 649,159.01 × 266,449.23
  4. Step 4: Simplify right side
    470,439.02x = 172,967,918,029.00
  5. Step 5: Solve for x
    x = 172,967,918,029.00/470,439.02
  6. Step 6: Final answer
    x = 367,673.41

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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.