Home / 730,828.88-1,008,547.89-408,552.56

Finding the Fourth Proportional to 730,828.88, 1,008,547.89 and 408,552.56

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Solution

The fourth proportional to 730,828.88, 1,008,547.89 and 408,552.56 is: 563,804.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,828.88 : 1,008,547.89 = 408,552.56 : x
  2. Step 2: Convert to fraction form
    730,828.88/1,008,547.89 = 408,552.56/x
  3. Step 3: Cross multiply
    730,828.88x = 1,008,547.89 × 408,552.56
  4. Step 4: Simplify right side
    730,828.88x = 412,044,817,299.36
  5. Step 5: Solve for x
    x = 412,044,817,299.36/730,828.88
  6. Step 6: Final answer
    x = 563,804.79

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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.