Home / 684,015.90-1,026,023.85-210,846.30

Finding the Fourth Proportional to 684,015.90, 1,026,023.85 and 210,846.30

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Solution

The fourth proportional to 684,015.90, 1,026,023.85 and 210,846.30 is: 316,269.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,015.90 : 1,026,023.85 = 210,846.30 : x
  2. Step 2: Convert to fraction form
    684,015.90/1,026,023.85 = 210,846.30/x
  3. Step 3: Cross multiply
    684,015.90x = 1,026,023.85 × 210,846.30
  4. Step 4: Simplify right side
    684,015.90x = 216,333,332,484.26
  5. Step 5: Solve for x
    x = 216,333,332,484.26/684,015.90
  6. Step 6: Final answer
    x = 316,269.45

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Double scale
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Similar ratio
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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.