Home / 684,078.40-1,026,117.60-559,662.40

Finding the Fourth Proportional to 684,078.40, 1,026,117.60 and 559,662.40

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Solution

The fourth proportional to 684,078.40, 1,026,117.60 and 559,662.40 is: 839,493.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,078.40 : 1,026,117.60 = 559,662.40 : x
  2. Step 2: Convert to fraction form
    684,078.40/1,026,117.60 = 559,662.40/x
  3. Step 3: Cross multiply
    684,078.40x = 1,026,117.60 × 559,662.40
  4. Step 4: Simplify right side
    684,078.40x = 574,279,438,698.24
  5. Step 5: Solve for x
    x = 574,279,438,698.24/684,078.40
  6. Step 6: Final answer
    x = 839,493.60

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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.