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Finding the Fourth Proportional to 535,408.35, 803,825.27 and 310,929.89

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Solution

The fourth proportional to 535,408.35, 803,825.27 and 310,929.89 is: 466,808.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,408.35 : 803,825.27 = 310,929.89 : x
  2. Step 2: Convert to fraction form
    535,408.35/803,825.27 = 310,929.89/x
  3. Step 3: Cross multiply
    535,408.35x = 803,825.27 × 310,929.89
  4. Step 4: Simplify right side
    535,408.35x = 249,933,303,877.84
  5. Step 5: Solve for x
    x = 249,933,303,877.84/535,408.35
  6. Step 6: Final answer
    x = 466,808.75

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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.