Home / 761,429.10-1,141,815.60-382,203.30

Finding the Fourth Proportional to 761,429.10, 1,141,815.60 and 382,203.30

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Solution

The fourth proportional to 761,429.10, 1,141,815.60 and 382,203.30 is: 573,140.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,429.10 : 1,141,815.60 = 382,203.30 : x
  2. Step 2: Convert to fraction form
    761,429.10/1,141,815.60 = 382,203.30/x
  3. Step 3: Cross multiply
    761,429.10x = 1,141,815.60 × 382,203.30
  4. Step 4: Simplify right side
    761,429.10x = 436,405,690,311.48
  5. Step 5: Solve for x
    x = 436,405,690,311.48/761,429.10
  6. Step 6: Final answer
    x = 573,140.28

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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.