Home / 684,267.40-1,026,401.10-404,331.40

Finding the Fourth Proportional to 684,267.40, 1,026,401.10 and 404,331.40

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Solution

The fourth proportional to 684,267.40, 1,026,401.10 and 404,331.40 is: 606,497.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,267.40 : 1,026,401.10 = 404,331.40 : x
  2. Step 2: Convert to fraction form
    684,267.40/1,026,401.10 = 404,331.40/x
  3. Step 3: Cross multiply
    684,267.40x = 1,026,401.10 × 404,331.40
  4. Step 4: Simplify right side
    684,267.40x = 415,006,193,724.54
  5. Step 5: Solve for x
    x = 415,006,193,724.54/684,267.40
  6. Step 6: Final answer
    x = 606,497.10

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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.