Home / 829,946.86-1,145,346.18-462,448.84

Finding the Fourth Proportional to 829,946.86, 1,145,346.18 and 462,448.84

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Solution

The fourth proportional to 829,946.86, 1,145,346.18 and 462,448.84 is: 638,190.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,946.86 : 1,145,346.18 = 462,448.84 : x
  2. Step 2: Convert to fraction form
    829,946.86/1,145,346.18 = 462,448.84/x
  3. Step 3: Cross multiply
    829,946.86x = 1,145,346.18 × 462,448.84
  4. Step 4: Simplify right side
    829,946.86x = 529,664,012,339.43
  5. Step 5: Solve for x
    x = 529,664,012,339.43/829,946.86
  6. Step 6: Final answer
    x = 638,190.27

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.