Home / 684,472.40-1,026,779.02-258,367.14

Finding the Fourth Proportional to 684,472.40, 1,026,779.02 and 258,367.14

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Solution

The fourth proportional to 684,472.40, 1,026,779.02 and 258,367.14 is: 387,577.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,472.40 : 1,026,779.02 = 258,367.14 : x
  2. Step 2: Convert to fraction form
    684,472.40/1,026,779.02 = 258,367.14/x
  3. Step 3: Cross multiply
    684,472.40x = 1,026,779.02 × 258,367.14
  4. Step 4: Simplify right side
    684,472.40x = 265,285,958,809.40
  5. Step 5: Solve for x
    x = 265,285,958,809.40/684,472.40
  6. Step 6: Final answer
    x = 387,577.29

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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.