Home / 979,418.38-1,351,597.38-549,698.51

Finding the Fourth Proportional to 979,418.38, 1,351,597.38 and 549,698.51

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Solution

The fourth proportional to 979,418.38, 1,351,597.38 and 549,698.51 is: 758,583.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,418.38 : 1,351,597.38 = 549,698.51 : x
  2. Step 2: Convert to fraction form
    979,418.38/1,351,597.38 = 549,698.51/x
  3. Step 3: Cross multiply
    979,418.38x = 1,351,597.38 × 549,698.51
  4. Step 4: Simplify right side
    979,418.38x = 742,971,065,905.90
  5. Step 5: Solve for x
    x = 742,971,065,905.90/979,418.38
  6. Step 6: Final answer
    x = 758,583.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.