Home / 879,586.70-1,213,944.02-492,549.51

Finding the Fourth Proportional to 879,586.70, 1,213,944.02 and 492,549.51

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Solution

The fourth proportional to 879,586.70, 1,213,944.02 and 492,549.51 is: 679,782.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,586.70 : 1,213,944.02 = 492,549.51 : x
  2. Step 2: Convert to fraction form
    879,586.70/1,213,944.02 = 492,549.51/x
  3. Step 3: Cross multiply
    879,586.70x = 1,213,944.02 × 492,549.51
  4. Step 4: Simplify right side
    879,586.70x = 597,927,533,449.80
  5. Step 5: Solve for x
    x = 597,927,533,449.80/879,586.70
  6. Step 6: Final answer
    x = 679,782.37

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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.