Home / 897,951.30-1,239,201.57-510,756.72

Finding the Fourth Proportional to 897,951.30, 1,239,201.57 and 510,756.72

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Solution

The fourth proportional to 897,951.30, 1,239,201.57 and 510,756.72 is: 704,860.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,951.30 : 1,239,201.57 = 510,756.72 : x
  2. Step 2: Convert to fraction form
    897,951.30/1,239,201.57 = 510,756.72/x
  3. Step 3: Cross multiply
    897,951.30x = 1,239,201.57 × 510,756.72
  4. Step 4: Simplify right side
    897,951.30x = 632,930,529,312.05
  5. Step 5: Solve for x
    x = 632,930,529,312.05/897,951.30
  6. Step 6: Final answer
    x = 704,860.64

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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.