Home / 829,182.83-1,242,724.28-402,816.24

Finding the Fourth Proportional to 829,182.83, 1,242,724.28 and 402,816.24

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Solution

The fourth proportional to 829,182.83, 1,242,724.28 and 402,816.24 is: 603,714.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,182.83 : 1,242,724.28 = 402,816.24 : x
  2. Step 2: Convert to fraction form
    829,182.83/1,242,724.28 = 402,816.24/x
  3. Step 3: Cross multiply
    829,182.83x = 1,242,724.28 × 402,816.24
  4. Step 4: Simplify right side
    829,182.83x = 500,589,519,812.23
  5. Step 5: Solve for x
    x = 500,589,519,812.23/829,182.83
  6. Step 6: Final answer
    x = 603,714.29

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Double scale
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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.