Home / 829,048.72-1,242,386.52-355,607.44

Finding the Fourth Proportional to 829,048.72, 1,242,386.52 and 355,607.44

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Solution

The fourth proportional to 829,048.72, 1,242,386.52 and 355,607.44 is: 532,902.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,048.72 : 1,242,386.52 = 355,607.44 : x
  2. Step 2: Convert to fraction form
    829,048.72/1,242,386.52 = 355,607.44/x
  3. Step 3: Cross multiply
    829,048.72x = 1,242,386.52 × 355,607.44
  4. Step 4: Simplify right side
    829,048.72x = 441,801,889,867.71
  5. Step 5: Solve for x
    x = 441,801,889,867.71/829,048.72
  6. Step 6: Final answer
    x = 532,902.20

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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.