Home / 979,322.10-1,351,491.30-549,628.86

Finding the Fourth Proportional to 979,322.10, 1,351,491.30 and 549,628.86

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Solution

The fourth proportional to 979,322.10, 1,351,491.30 and 549,628.86 is: 758,502.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,322.10 : 1,351,491.30 = 549,628.86 : x
  2. Step 2: Convert to fraction form
    979,322.10/1,351,491.30 = 549,628.86/x
  3. Step 3: Cross multiply
    979,322.10x = 1,351,491.30 × 549,628.86
  4. Step 4: Simplify right side
    979,322.10x = 742,818,622,518.92
  5. Step 5: Solve for x
    x = 742,818,622,518.92/979,322.10
  6. Step 6: Final answer
    x = 758,502.87

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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.