Home / 631,424.04-871,378.02-344,962.68

Finding the Fourth Proportional to 631,424.04, 871,378.02 and 344,962.68

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Solution

The fourth proportional to 631,424.04, 871,378.02 and 344,962.68 is: 476,055.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,424.04 : 871,378.02 = 344,962.68 : x
  2. Step 2: Convert to fraction form
    631,424.04/871,378.02 = 344,962.68/x
  3. Step 3: Cross multiply
    631,424.04x = 871,378.02 × 344,962.68
  4. Step 4: Simplify right side
    631,424.04x = 300,592,897,072.29
  5. Step 5: Solve for x
    x = 300,592,897,072.29/631,424.04
  6. Step 6: Final answer
    x = 476,055.52

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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.