Home / 631,823.55-871,795.55-359,885.49

Finding the Fourth Proportional to 631,823.55, 871,795.55 and 359,885.49

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Solution

The fourth proportional to 631,823.55, 871,795.55 and 359,885.49 is: 496,573.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,823.55 : 871,795.55 = 359,885.49 : x
  2. Step 2: Convert to fraction form
    631,823.55/871,795.55 = 359,885.49/x
  3. Step 3: Cross multiply
    631,823.55x = 871,795.55 × 359,885.49
  4. Step 4: Simplify right side
    631,823.55x = 313,746,566,892.14
  5. Step 5: Solve for x
    x = 313,746,566,892.14/631,823.55
  6. Step 6: Final answer
    x = 496,573.08

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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.