Home / 789,029.49-1,088,554.73-502,498.29

Finding the Fourth Proportional to 789,029.49, 1,088,554.73 and 502,498.29

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Solution

The fourth proportional to 789,029.49, 1,088,554.73 and 502,498.29 is: 693,252.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,029.49 : 1,088,554.73 = 502,498.29 : x
  2. Step 2: Convert to fraction form
    789,029.49/1,088,554.73 = 502,498.29/x
  3. Step 3: Cross multiply
    789,029.49x = 1,088,554.73 × 502,498.29
  4. Step 4: Simplify right side
    789,029.49x = 546,996,887,883.92
  5. Step 5: Solve for x
    x = 546,996,887,883.92/789,029.49
  6. Step 6: Final answer
    x = 693,252.78

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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.