Home / 971,925.78-1,457,882.48-331,920.72

Finding the Fourth Proportional to 971,925.78, 1,457,882.48 and 331,920.72

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Solution

The fourth proportional to 971,925.78, 1,457,882.48 and 331,920.72 is: 497,878.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,925.78 : 1,457,882.48 = 331,920.72 : x
  2. Step 2: Convert to fraction form
    971,925.78/1,457,882.48 = 331,920.72/x
  3. Step 3: Cross multiply
    971,925.78x = 1,457,882.48 × 331,920.72
  4. Step 4: Simplify right side
    971,925.78x = 483,901,403,266.79
  5. Step 5: Solve for x
    x = 483,901,403,266.79/971,925.78
  6. Step 6: Final answer
    x = 497,878.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.