Home / 960,428.37-1,440,698.93-361,394.71

Finding the Fourth Proportional to 960,428.37, 1,440,698.93 and 361,394.71

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Solution

The fourth proportional to 960,428.37, 1,440,698.93 and 361,394.71 is: 542,113.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,428.37 : 1,440,698.93 = 361,394.71 : x
  2. Step 2: Convert to fraction form
    960,428.37/1,440,698.93 = 361,394.71/x
  3. Step 3: Cross multiply
    960,428.37x = 1,440,698.93 × 361,394.71
  4. Step 4: Simplify right side
    960,428.37x = 520,660,977,071.52
  5. Step 5: Solve for x
    x = 520,660,977,071.52/960,428.37
  6. Step 6: Final answer
    x = 542,113.29

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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.