Home / 631,421.04-871,373.88-344,959.68

Finding the Fourth Proportional to 631,421.04, 871,373.88 and 344,959.68

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Solution

The fourth proportional to 631,421.04, 871,373.88 and 344,959.68 is: 476,051.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,421.04 : 871,373.88 = 344,959.68 : x
  2. Step 2: Convert to fraction form
    631,421.04/871,373.88 = 344,959.68/x
  3. Step 3: Cross multiply
    631,421.04x = 871,373.88 × 344,959.68
  4. Step 4: Simplify right side
    631,421.04x = 300,588,854,805.16
  5. Step 5: Solve for x
    x = 300,588,854,805.16/631,421.04
  6. Step 6: Final answer
    x = 476,051.38

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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.