Home / 589,379.88-813,441.72-347,721.52

Finding the Fourth Proportional to 589,379.88, 813,441.72 and 347,721.52

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Solution

The fourth proportional to 589,379.88, 813,441.72 and 347,721.52 is: 479,913.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,379.88 : 813,441.72 = 347,721.52 : x
  2. Step 2: Convert to fraction form
    589,379.88/813,441.72 = 347,721.52/x
  3. Step 3: Cross multiply
    589,379.88x = 813,441.72 × 347,721.52
  4. Step 4: Simplify right side
    589,379.88x = 282,851,191,309.81
  5. Step 5: Solve for x
    x = 282,851,191,309.81/589,379.88
  6. Step 6: Final answer
    x = 479,913.21

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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.