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Finding the Fourth Proportional to 628,950.84, 867,854.46 and 360,627

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Solution

The fourth proportional to 628,950.84, 867,854.46 and 360,627 is: 497,609.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,950.84 : 867,854.46 = 360,627 : x
  2. Step 2: Convert to fraction form
    628,950.84/867,854.46 = 360,627/x
  3. Step 3: Cross multiply
    628,950.84x = 867,854.46 × 360,627
  4. Step 4: Simplify right side
    628,950.84x = 312,971,750,346.42
  5. Step 5: Solve for x
    x = 312,971,750,346.42/628,950.84
  6. Step 6: Final answer
    x = 497,609.24

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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.