Home / 826,709.09-1,240,123.77-346,454.82

Finding the Fourth Proportional to 826,709.09, 1,240,123.77 and 346,454.82

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Solution

The fourth proportional to 826,709.09, 1,240,123.77 and 346,454.82 is: 519,707.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,709.09 : 1,240,123.77 = 346,454.82 : x
  2. Step 2: Convert to fraction form
    826,709.09/1,240,123.77 = 346,454.82/x
  3. Step 3: Cross multiply
    826,709.09x = 1,240,123.77 × 346,454.82
  4. Step 4: Simplify right side
    826,709.09x = 429,646,857,513.07
  5. Step 5: Solve for x
    x = 429,646,857,513.07/826,709.09
  6. Step 6: Final answer
    x = 519,707.43

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1.5x scale

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.