Home / 553,103.82-829,913.94-286,719.03

Finding the Fourth Proportional to 553,103.82, 829,913.94 and 286,719.03

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Solution

The fourth proportional to 553,103.82, 829,913.94 and 286,719.03 is: 430,212.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,103.82 : 829,913.94 = 286,719.03 : x
  2. Step 2: Convert to fraction form
    553,103.82/829,913.94 = 286,719.03/x
  3. Step 3: Cross multiply
    553,103.82x = 829,913.94 × 286,719.03
  4. Step 4: Simplify right side
    553,103.82x = 237,952,119,860.28
  5. Step 5: Solve for x
    x = 237,952,119,860.28/553,103.82
  6. Step 6: Final answer
    x = 430,212.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.