Home / 889,531.41-1,334,379.14-290,495.71

Finding the Fourth Proportional to 889,531.41, 1,334,379.14 and 290,495.71

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Solution

The fourth proportional to 889,531.41, 1,334,379.14 and 290,495.71 is: 435,770.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,531.41 : 1,334,379.14 = 290,495.71 : x
  2. Step 2: Convert to fraction form
    889,531.41/1,334,379.14 = 290,495.71/x
  3. Step 3: Cross multiply
    889,531.41x = 1,334,379.14 × 290,495.71
  4. Step 4: Simplify right side
    889,531.41x = 387,631,415,898.99
  5. Step 5: Solve for x
    x = 387,631,415,898.99/889,531.41
  6. Step 6: Final answer
    x = 435,770.35

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1.5x scale

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.