Home / 684,045-1,026,203.58-210,710.16

Finding the Fourth Proportional to 684,045, 1,026,203.58 and 210,710.16

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Solution

The fourth proportional to 684,045, 1,026,203.58 and 210,710.16 is: 316,107.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,045 : 1,026,203.58 = 210,710.16 : x
  2. Step 2: Convert to fraction form
    684,045/1,026,203.58 = 210,710.16/x
  3. Step 3: Cross multiply
    684,045x = 1,026,203.58 × 210,710.16
  4. Step 4: Simplify right side
    684,045x = 216,231,520,534.37
  5. Step 5: Solve for x
    x = 216,231,520,534.37/684,045
  6. Step 6: Final answer
    x = 316,107.16

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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.