Home / 553,525.16-828,405.30-353,982.20

Finding the Fourth Proportional to 553,525.16, 828,405.30 and 353,982.20

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Solution

The fourth proportional to 553,525.16, 828,405.30 and 353,982.20 is: 529,769.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,525.16 : 828,405.30 = 353,982.20 : x
  2. Step 2: Convert to fraction form
    553,525.16/828,405.30 = 353,982.20/x
  3. Step 3: Cross multiply
    553,525.16x = 828,405.30 × 353,982.20
  4. Step 4: Simplify right side
    553,525.16x = 293,240,730,585.66
  5. Step 5: Solve for x
    x = 293,240,730,585.66/553,525.16
  6. Step 6: Final answer
    x = 529,769.47

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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.