Home / 631,316.16-871,201.98-344,837.52

Finding the Fourth Proportional to 631,316.16, 871,201.98 and 344,837.52

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Solution

The fourth proportional to 631,316.16, 871,201.98 and 344,837.52 is: 475,867.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,316.16 : 871,201.98 = 344,837.52 : x
  2. Step 2: Convert to fraction form
    631,316.16/871,201.98 = 344,837.52/x
  3. Step 3: Cross multiply
    631,316.16x = 871,201.98 × 344,837.52
  4. Step 4: Simplify right side
    631,316.16x = 300,423,130,202.29
  5. Step 5: Solve for x
    x = 300,423,130,202.29/631,316.16
  6. Step 6: Final answer
    x = 475,867.96

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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.