Home / 470,828.02-649,729.14-266,897.80

Finding the Fourth Proportional to 470,828.02, 649,729.14 and 266,897.80

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Solution

The fourth proportional to 470,828.02, 649,729.14 and 266,897.80 is: 368,311.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,828.02 : 649,729.14 = 266,897.80 : x
  2. Step 2: Convert to fraction form
    470,828.02/649,729.14 = 266,897.80/x
  3. Step 3: Cross multiply
    470,828.02x = 649,729.14 × 266,897.80
  4. Step 4: Simplify right side
    470,828.02x = 173,411,278,061.89
  5. Step 5: Solve for x
    x = 173,411,278,061.89/470,828.02
  6. Step 6: Final answer
    x = 368,311.30

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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.