Home / 372,256.12-513,483.06-324,623.80

Finding the Fourth Proportional to 372,256.12, 513,483.06 and 324,623.80

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Solution

The fourth proportional to 372,256.12, 513,483.06 and 324,623.80 is: 447,779.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,256.12 : 513,483.06 = 324,623.80 : x
  2. Step 2: Convert to fraction form
    372,256.12/513,483.06 = 324,623.80/x
  3. Step 3: Cross multiply
    372,256.12x = 513,483.06 × 324,623.80
  4. Step 4: Simplify right side
    372,256.12x = 166,688,822,172.83
  5. Step 5: Solve for x
    x = 166,688,822,172.83/372,256.12
  6. Step 6: Final answer
    x = 447,779.94

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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.