Home / 938,775.19-1,408,415.54-483,118.12

Finding the Fourth Proportional to 938,775.19, 1,408,415.54 and 483,118.12

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Solution

The fourth proportional to 938,775.19, 1,408,415.54 and 483,118.12 is: 724,807.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,775.19 : 1,408,415.54 = 483,118.12 : x
  2. Step 2: Convert to fraction form
    938,775.19/1,408,415.54 = 483,118.12/x
  3. Step 3: Cross multiply
    938,775.19x = 1,408,415.54 × 483,118.12
  4. Step 4: Simplify right side
    938,775.19x = 680,431,067,208.51
  5. Step 5: Solve for x
    x = 680,431,067,208.51/938,775.19
  6. Step 6: Final answer
    x = 724,807.26

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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.