Home / 807,877.59-1,114,820.38-445,281.49

Finding the Fourth Proportional to 807,877.59, 1,114,820.38 and 445,281.49

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Solution

The fourth proportional to 807,877.59, 1,114,820.38 and 445,281.49 is: 614,460.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,877.59 : 1,114,820.38 = 445,281.49 : x
  2. Step 2: Convert to fraction form
    807,877.59/1,114,820.38 = 445,281.49/x
  3. Step 3: Cross multiply
    807,877.59x = 1,114,820.38 × 445,281.49
  4. Step 4: Simplify right side
    807,877.59x = 496,408,879,888.77
  5. Step 5: Solve for x
    x = 496,408,879,888.77/807,877.59
  6. Step 6: Final answer
    x = 614,460.51

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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.