Home / 938,211.91-1,406,784.53-369,284.60

Finding the Fourth Proportional to 938,211.91, 1,406,784.53 and 369,284.60

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Solution

The fourth proportional to 938,211.91, 1,406,784.53 and 369,284.60 is: 553,716.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,211.91 : 1,406,784.53 = 369,284.60 : x
  2. Step 2: Convert to fraction form
    938,211.91/1,406,784.53 = 369,284.60/x
  3. Step 3: Cross multiply
    938,211.91x = 1,406,784.53 × 369,284.60
  4. Step 4: Simplify right side
    938,211.91x = 519,503,866,887.41
  5. Step 5: Solve for x
    x = 519,503,866,887.41/938,211.91
  6. Step 6: Final answer
    x = 553,716.98

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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.