Home / 959,277.09-1,439,081.88-390,967.37

Finding the Fourth Proportional to 959,277.09, 1,439,081.88 and 390,967.37

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Solution

The fourth proportional to 959,277.09, 1,439,081.88 and 390,967.37 is: 586,518.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,277.09 : 1,439,081.88 = 390,967.37 : x
  2. Step 2: Convert to fraction form
    959,277.09/1,439,081.88 = 390,967.37/x
  3. Step 3: Cross multiply
    959,277.09x = 1,439,081.88 × 390,967.37
  4. Step 4: Simplify right side
    959,277.09x = 562,634,054,573.28
  5. Step 5: Solve for x
    x = 562,634,054,573.28/959,277.09
  6. Step 6: Final answer
    x = 586,518.80

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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.