Home / 908,144.92-1,362,217.02-421,777.72

Finding the Fourth Proportional to 908,144.92, 1,362,217.02 and 421,777.72

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Solution

The fourth proportional to 908,144.92, 1,362,217.02 and 421,777.72 is: 632,666.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,144.92 : 1,362,217.02 = 421,777.72 : x
  2. Step 2: Convert to fraction form
    908,144.92/1,362,217.02 = 421,777.72/x
  3. Step 3: Cross multiply
    908,144.92x = 1,362,217.02 × 421,777.72
  4. Step 4: Simplify right side
    908,144.92x = 574,552,788,840.79
  5. Step 5: Solve for x
    x = 574,552,788,840.79/908,144.92
  6. Step 6: Final answer
    x = 632,666.41

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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.