Home / 689,852.07-951,929.87-508,661.82

Finding the Fourth Proportional to 689,852.07, 951,929.87 and 508,661.82

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Solution

The fourth proportional to 689,852.07, 951,929.87 and 508,661.82 is: 701,904.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,852.07 : 951,929.87 = 508,661.82 : x
  2. Step 2: Convert to fraction form
    689,852.07/951,929.87 = 508,661.82/x
  3. Step 3: Cross multiply
    689,852.07x = 951,929.87 × 508,661.82
  4. Step 4: Simplify right side
    689,852.07x = 484,210,377,643.25
  5. Step 5: Solve for x
    x = 484,210,377,643.25/689,852.07
  6. Step 6: Final answer
    x = 701,904.65

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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.