Home / 631,397.08-871,535.60-502,571.85

Finding the Fourth Proportional to 631,397.08, 871,535.60 and 502,571.85

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Solution

The fourth proportional to 631,397.08, 871,535.60 and 502,571.85 is: 693,714.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,397.08 : 871,535.60 = 502,571.85 : x
  2. Step 2: Convert to fraction form
    631,397.08/871,535.60 = 502,571.85/x
  3. Step 3: Cross multiply
    631,397.08x = 871,535.60 × 502,571.85
  4. Step 4: Simplify right side
    631,397.08x = 438,009,258,832.86
  5. Step 5: Solve for x
    x = 438,009,258,832.86/631,397.08
  6. Step 6: Final answer
    x = 693,714.42

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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.