Home / 684,466.90-1,026,770.76-258,361.63

Finding the Fourth Proportional to 684,466.90, 1,026,770.76 and 258,361.63

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Solution

The fourth proportional to 684,466.90, 1,026,770.76 and 258,361.63 is: 387,569.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,466.90 : 1,026,770.76 = 258,361.63 : x
  2. Step 2: Convert to fraction form
    684,466.90/1,026,770.76 = 258,361.63/x
  3. Step 3: Cross multiply
    684,466.90x = 1,026,770.76 × 258,361.63
  4. Step 4: Simplify right side
    684,466.90x = 265,278,167,189.94
  5. Step 5: Solve for x
    x = 265,278,167,189.94/684,466.90
  6. Step 6: Final answer
    x = 387,569.02

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Double scale
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1.5x scale

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.