Home / 549,361.37-757,934.28-319,869.51

Finding the Fourth Proportional to 549,361.37, 757,934.28 and 319,869.51

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Solution

The fourth proportional to 549,361.37, 757,934.28 and 319,869.51 is: 441,312.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,361.37 : 757,934.28 = 319,869.51 : x
  2. Step 2: Convert to fraction form
    549,361.37/757,934.28 = 319,869.51/x
  3. Step 3: Cross multiply
    549,361.37x = 757,934.28 × 319,869.51
  4. Step 4: Simplify right side
    549,361.37x = 242,440,066,480.37
  5. Step 5: Solve for x
    x = 242,440,066,480.37/549,361.37
  6. Step 6: Final answer
    x = 441,312.55

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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.