Home / 470,637.66-649,485.02-255,777.75

Finding the Fourth Proportional to 470,637.66, 649,485.02 and 255,777.75

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Solution

The fourth proportional to 470,637.66, 649,485.02 and 255,777.75 is: 352,976.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,637.66 : 649,485.02 = 255,777.75 : x
  2. Step 2: Convert to fraction form
    470,637.66/649,485.02 = 255,777.75/x
  3. Step 3: Cross multiply
    470,637.66x = 649,485.02 × 255,777.75
  4. Step 4: Simplify right side
    470,637.66x = 166,123,812,547.99
  5. Step 5: Solve for x
    x = 166,123,812,547.99/470,637.66
  6. Step 6: Final answer
    x = 352,976.03

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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.