Home / 938,238.09-1,406,823.90-369,310.83

Finding the Fourth Proportional to 938,238.09, 1,406,823.90 and 369,310.83

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Solution

The fourth proportional to 938,238.09, 1,406,823.90 and 369,310.83 is: 553,756.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,238.09 : 1,406,823.90 = 369,310.83 : x
  2. Step 2: Convert to fraction form
    938,238.09/1,406,823.90 = 369,310.83/x
  3. Step 3: Cross multiply
    938,238.09x = 1,406,823.90 × 369,310.83
  4. Step 4: Simplify right side
    938,238.09x = 519,555,302,172.84
  5. Step 5: Solve for x
    x = 519,555,302,172.84/938,238.09
  6. Step 6: Final answer
    x = 553,756.35

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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.