Home / 631,423.04-871,376.64-344,961.68

Finding the Fourth Proportional to 631,423.04, 871,376.64 and 344,961.68

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Solution

The fourth proportional to 631,423.04, 871,376.64 and 344,961.68 is: 476,054.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,423.04 : 871,376.64 = 344,961.68 : x
  2. Step 2: Convert to fraction form
    631,423.04/871,376.64 = 344,961.68/x
  3. Step 3: Cross multiply
    631,423.04x = 871,376.64 × 344,961.68
  4. Step 4: Simplify right side
    631,423.04x = 300,591,549,647.16
  5. Step 5: Solve for x
    x = 300,591,549,647.16/631,423.04
  6. Step 6: Final answer
    x = 476,054.14

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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.