Home / 915,725.19-1,373,599.39-346,953.51

Finding the Fourth Proportional to 915,725.19, 1,373,599.39 and 346,953.51

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Solution

The fourth proportional to 915,725.19, 1,373,599.39 and 346,953.51 is: 520,434.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,725.19 : 1,373,599.39 = 346,953.51 : x
  2. Step 2: Convert to fraction form
    915,725.19/1,373,599.39 = 346,953.51/x
  3. Step 3: Cross multiply
    915,725.19x = 1,373,599.39 × 346,953.51
  4. Step 4: Simplify right side
    915,725.19x = 476,575,129,694.36
  5. Step 5: Solve for x
    x = 476,575,129,694.36/915,725.19
  6. Step 6: Final answer
    x = 520,434.66

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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.