Home / 526,203.68-789,504.36-315,988.16

Finding the Fourth Proportional to 526,203.68, 789,504.36 and 315,988.16

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Solution

The fourth proportional to 526,203.68, 789,504.36 and 315,988.16 is: 474,101.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,203.68 : 789,504.36 = 315,988.16 : x
  2. Step 2: Convert to fraction form
    526,203.68/789,504.36 = 315,988.16/x
  3. Step 3: Cross multiply
    526,203.68x = 789,504.36 × 315,988.16
  4. Step 4: Simplify right side
    526,203.68x = 249,474,030,028.38
  5. Step 5: Solve for x
    x = 249,474,030,028.38/526,203.68
  6. Step 6: Final answer
    x = 474,101.64

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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.