Home / 960,518.39-1,440,991.49-286,611.35

Finding the Fourth Proportional to 960,518.39, 1,440,991.49 and 286,611.35

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Solution

The fourth proportional to 960,518.39, 1,440,991.49 and 286,611.35 is: 429,980.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,518.39 : 1,440,991.49 = 286,611.35 : x
  2. Step 2: Convert to fraction form
    960,518.39/1,440,991.49 = 286,611.35/x
  3. Step 3: Cross multiply
    960,518.39x = 1,440,991.49 × 286,611.35
  4. Step 4: Simplify right side
    960,518.39x = 413,004,507,649.40
  5. Step 5: Solve for x
    x = 413,004,507,649.40/960,518.39
  6. Step 6: Final answer
    x = 429,980.85

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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.