Home / 826,710.09-1,240,125.27-346,455.82

Finding the Fourth Proportional to 826,710.09, 1,240,125.27 and 346,455.82

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Solution

The fourth proportional to 826,710.09, 1,240,125.27 and 346,455.82 is: 519,708.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,710.09 : 1,240,125.27 = 346,455.82 : x
  2. Step 2: Convert to fraction form
    826,710.09/1,240,125.27 = 346,455.82/x
  3. Step 3: Cross multiply
    826,710.09x = 1,240,125.27 × 346,455.82
  4. Step 4: Simplify right side
    826,710.09x = 429,648,617,320.57
  5. Step 5: Solve for x
    x = 429,648,617,320.57/826,710.09
  6. Step 6: Final answer
    x = 519,708.93

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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.