Home / 898,339.70-1,347,509.55-579,475.10

Finding the Fourth Proportional to 898,339.70, 1,347,509.55 and 579,475.10

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Solution

The fourth proportional to 898,339.70, 1,347,509.55 and 579,475.10 is: 869,212.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,339.70 : 1,347,509.55 = 579,475.10 : x
  2. Step 2: Convert to fraction form
    898,339.70/1,347,509.55 = 579,475.10/x
  3. Step 3: Cross multiply
    898,339.70x = 1,347,509.55 × 579,475.10
  4. Step 4: Simplify right side
    898,339.70x = 780,848,231,237.21
  5. Step 5: Solve for x
    x = 780,848,231,237.21/898,339.70
  6. Step 6: Final answer
    x = 869,212.65

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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.