Home / 631,246.30-871,113.36-344,766.40

Finding the Fourth Proportional to 631,246.30, 871,113.36 and 344,766.40

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Solution

The fourth proportional to 631,246.30, 871,113.36 and 344,766.40 is: 475,774.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,246.30 : 871,113.36 = 344,766.40 : x
  2. Step 2: Convert to fraction form
    631,246.30/871,113.36 = 344,766.40/x
  3. Step 3: Cross multiply
    631,246.30x = 871,113.36 × 344,766.40
  4. Step 4: Simplify right side
    631,246.30x = 300,330,617,119.10
  5. Step 5: Solve for x
    x = 300,330,617,119.10/631,246.30
  6. Step 6: Final answer
    x = 475,774.06

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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.