Home / 895,120.77-1,235,292.92-487,249.22

Finding the Fourth Proportional to 895,120.77, 1,235,292.92 and 487,249.22

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Solution

The fourth proportional to 895,120.77, 1,235,292.92 and 487,249.22 is: 672,418.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,120.77 : 1,235,292.92 = 487,249.22 : x
  2. Step 2: Convert to fraction form
    895,120.77/1,235,292.92 = 487,249.22/x
  3. Step 3: Cross multiply
    895,120.77x = 1,235,292.92 × 487,249.22
  4. Step 4: Simplify right side
    895,120.77x = 601,895,503,128.81
  5. Step 5: Solve for x
    x = 601,895,503,128.81/895,120.77
  6. Step 6: Final answer
    x = 672,418.21

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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.