Home / 877,057.34-1,315,586.02-212,209.34

Finding the Fourth Proportional to 877,057.34, 1,315,586.02 and 212,209.34

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Solution

The fourth proportional to 877,057.34, 1,315,586.02 and 212,209.34 is: 318,314.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,057.34 : 1,315,586.02 = 212,209.34 : x
  2. Step 2: Convert to fraction form
    877,057.34/1,315,586.02 = 212,209.34/x
  3. Step 3: Cross multiply
    877,057.34x = 1,315,586.02 × 212,209.34
  4. Step 4: Simplify right side
    877,057.34x = 279,179,641,017.43
  5. Step 5: Solve for x
    x = 279,179,641,017.43/877,057.34
  6. Step 6: Final answer
    x = 318,314.01

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Double scale
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Similar ratio
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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.