Home / 684,006.10-1,026,009.15-664,323.10

Finding the Fourth Proportional to 684,006.10, 1,026,009.15 and 664,323.10

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Solution

The fourth proportional to 684,006.10, 1,026,009.15 and 664,323.10 is: 996,484.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,006.10 : 1,026,009.15 = 664,323.10 : x
  2. Step 2: Convert to fraction form
    684,006.10/1,026,009.15 = 664,323.10/x
  3. Step 3: Cross multiply
    684,006.10x = 1,026,009.15 × 664,323.10
  4. Step 4: Simplify right side
    684,006.10x = 681,601,579,156.37
  5. Step 5: Solve for x
    x = 681,601,579,156.37/684,006.10
  6. Step 6: Final answer
    x = 996,484.65

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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.