Home / 819,123-1,130,296.28-474,887.14

Finding the Fourth Proportional to 819,123, 1,130,296.28 and 474,887.14

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Solution

The fourth proportional to 819,123, 1,130,296.28 and 474,887.14 is: 655,290.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,123 : 1,130,296.28 = 474,887.14 : x
  2. Step 2: Convert to fraction form
    819,123/1,130,296.28 = 474,887.14/x
  3. Step 3: Cross multiply
    819,123x = 1,130,296.28 × 474,887.14
  4. Step 4: Simplify right side
    819,123x = 536,763,167,761.84
  5. Step 5: Solve for x
    x = 536,763,167,761.84/819,123
  6. Step 6: Final answer
    x = 655,290.07

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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.