Home / 603,748.22-832,294.55-421,895.72

Finding the Fourth Proportional to 603,748.22, 832,294.55 and 421,895.72

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Solution

The fourth proportional to 603,748.22, 832,294.55 and 421,895.72 is: 581,602.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,748.22 : 832,294.55 = 421,895.72 : x
  2. Step 2: Convert to fraction form
    603,748.22/832,294.55 = 421,895.72/x
  3. Step 3: Cross multiply
    603,748.22x = 832,294.55 × 421,895.72
  4. Step 4: Simplify right side
    603,748.22x = 351,141,511,559.80
  5. Step 5: Solve for x
    x = 351,141,511,559.80/603,748.22
  6. Step 6: Final answer
    x = 581,602.57

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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.