Home / 494,837.10-742,255.65-284,885.10

Finding the Fourth Proportional to 494,837.10, 742,255.65 and 284,885.10

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Solution

The fourth proportional to 494,837.10, 742,255.65 and 284,885.10 is: 427,327.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,837.10 : 742,255.65 = 284,885.10 : x
  2. Step 2: Convert to fraction form
    494,837.10/742,255.65 = 284,885.10/x
  3. Step 3: Cross multiply
    494,837.10x = 742,255.65 × 284,885.10
  4. Step 4: Simplify right side
    494,837.10x = 211,457,575,075.82
  5. Step 5: Solve for x
    x = 211,457,575,075.82/494,837.10
  6. Step 6: Final answer
    x = 427,327.65

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Similar ratio
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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.