Home / 637,287.46-879,476.52-346,918.36

Finding the Fourth Proportional to 637,287.46, 879,476.52 and 346,918.36

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Solution

The fourth proportional to 637,287.46, 879,476.52 and 346,918.36 is: 478,758.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,287.46 : 879,476.52 = 346,918.36 : x
  2. Step 2: Convert to fraction form
    637,287.46/879,476.52 = 346,918.36/x
  3. Step 3: Cross multiply
    637,287.46x = 879,476.52 × 346,918.36
  4. Step 4: Simplify right side
    637,287.46x = 305,106,551,976.91
  5. Step 5: Solve for x
    x = 305,106,551,976.91/637,287.46
  6. Step 6: Final answer
    x = 478,758.13

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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.