Home / 895,208.89-1,235,375.55-487,314.10

Finding the Fourth Proportional to 895,208.89, 1,235,375.55 and 487,314.10

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Solution

The fourth proportional to 895,208.89, 1,235,375.55 and 487,314.10 is: 672,486.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,208.89 : 1,235,375.55 = 487,314.10 : x
  2. Step 2: Convert to fraction form
    895,208.89/1,235,375.55 = 487,314.10/x
  3. Step 3: Cross multiply
    895,208.89x = 1,235,375.55 × 487,314.10
  4. Step 4: Simplify right side
    895,208.89x = 602,015,922,379.98
  5. Step 5: Solve for x
    x = 602,015,922,379.98/895,208.89
  6. Step 6: Final answer
    x = 672,486.54

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1.5x scale

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.