Home / 979,412.81-1,351,589.66-549,692.94

Finding the Fourth Proportional to 979,412.81, 1,351,589.66 and 549,692.94

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Solution

The fourth proportional to 979,412.81, 1,351,589.66 and 549,692.94 is: 758,576.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,412.81 : 1,351,589.66 = 549,692.94 : x
  2. Step 2: Convert to fraction form
    979,412.81/1,351,589.66 = 549,692.94/x
  3. Step 3: Cross multiply
    979,412.81x = 1,351,589.66 × 549,692.94
  4. Step 4: Simplify right side
    979,412.81x = 742,959,293,879.00
  5. Step 5: Solve for x
    x = 742,959,293,879.00/979,412.81
  6. Step 6: Final answer
    x = 758,576.25

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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.