Home / 372,986.40-559,483.48-298,579.53

Finding the Fourth Proportional to 372,986.40, 559,483.48 and 298,579.53

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Solution

The fourth proportional to 372,986.40, 559,483.48 and 298,579.53 is: 447,872.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,986.40 : 559,483.48 = 298,579.53 : x
  2. Step 2: Convert to fraction form
    372,986.40/559,483.48 = 298,579.53/x
  3. Step 3: Cross multiply
    372,986.40x = 559,483.48 × 298,579.53
  4. Step 4: Simplify right side
    372,986.40x = 167,050,314,501.16
  5. Step 5: Solve for x
    x = 167,050,314,501.16/372,986.40
  6. Step 6: Final answer
    x = 447,872.40

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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.