Home / 684,011.48-1,026,127.49-210,696.39

Finding the Fourth Proportional to 684,011.48, 1,026,127.49 and 210,696.39

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Solution

The fourth proportional to 684,011.48, 1,026,127.49 and 210,696.39 is: 316,078.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,011.48 : 1,026,127.49 = 210,696.39 : x
  2. Step 2: Convert to fraction form
    684,011.48/1,026,127.49 = 210,696.39/x
  3. Step 3: Cross multiply
    684,011.48x = 1,026,127.49 × 210,696.39
  4. Step 4: Simplify right side
    684,011.48x = 216,201,356,769.28
  5. Step 5: Solve for x
    x = 216,201,356,769.28/684,011.48
  6. Step 6: Final answer
    x = 316,078.55

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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.