Home / 938,764.69-1,408,257-298,844.23

Finding the Fourth Proportional to 938,764.69, 1,408,257 and 298,844.23

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Solution

The fourth proportional to 938,764.69, 1,408,257 and 298,844.23 is: 448,301.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,764.69 : 1,408,257 = 298,844.23 : x
  2. Step 2: Convert to fraction form
    938,764.69/1,408,257 = 298,844.23/x
  3. Step 3: Cross multiply
    938,764.69x = 1,408,257 × 298,844.23
  4. Step 4: Simplify right side
    938,764.69x = 420,849,478,807.11
  5. Step 5: Solve for x
    x = 420,849,478,807.11/938,764.69
  6. Step 6: Final answer
    x = 448,301.35

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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.