Home / 835,300.55-1,252,750.08-385,589.46

Finding the Fourth Proportional to 835,300.55, 1,252,750.08 and 385,589.46

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Solution

The fourth proportional to 835,300.55, 1,252,750.08 and 385,589.46 is: 578,291.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,300.55 : 1,252,750.08 = 385,589.46 : x
  2. Step 2: Convert to fraction form
    835,300.55/1,252,750.08 = 385,589.46/x
  3. Step 3: Cross multiply
    835,300.55x = 1,252,750.08 × 385,589.46
  4. Step 4: Simplify right side
    835,300.55x = 483,047,226,862.16
  5. Step 5: Solve for x
    x = 483,047,226,862.16/835,300.55
  6. Step 6: Final answer
    x = 578,291.53

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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.