Home / 684,463.90-1,026,766.26-258,358.63

Finding the Fourth Proportional to 684,463.90, 1,026,766.26 and 258,358.63

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Solution

The fourth proportional to 684,463.90, 1,026,766.26 and 258,358.63 is: 387,564.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,463.90 : 1,026,766.26 = 258,358.63 : x
  2. Step 2: Convert to fraction form
    684,463.90/1,026,766.26 = 258,358.63/x
  3. Step 3: Cross multiply
    684,463.90x = 1,026,766.26 × 258,358.63
  4. Step 4: Simplify right side
    684,463.90x = 265,273,924,263.82
  5. Step 5: Solve for x
    x = 265,273,924,263.82/684,463.90
  6. Step 6: Final answer
    x = 387,564.52

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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.