Home / 979,504.58-1,351,642.17-549,701.67

Finding the Fourth Proportional to 979,504.58, 1,351,642.17 and 549,701.67

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Solution

The fourth proportional to 979,504.58, 1,351,642.17 and 549,701.67 is: 758,546.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,504.58 : 1,351,642.17 = 549,701.67 : x
  2. Step 2: Convert to fraction form
    979,504.58/1,351,642.17 = 549,701.67/x
  3. Step 3: Cross multiply
    979,504.58x = 1,351,642.17 × 549,701.67
  4. Step 4: Simplify right side
    979,504.58x = 742,999,958,091.42
  5. Step 5: Solve for x
    x = 742,999,958,091.42/979,504.58
  6. Step 6: Final answer
    x = 758,546.69

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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.