Home / 535,623.57-803,012.61-265,565.51

Finding the Fourth Proportional to 535,623.57, 803,012.61 and 265,565.51

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Solution

The fourth proportional to 535,623.57, 803,012.61 and 265,565.51 is: 398,138.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,623.57 : 803,012.61 = 265,565.51 : x
  2. Step 2: Convert to fraction form
    535,623.57/803,012.61 = 265,565.51/x
  3. Step 3: Cross multiply
    535,623.57x = 803,012.61 × 265,565.51
  4. Step 4: Simplify right side
    535,623.57x = 213,252,451,311.45
  5. Step 5: Solve for x
    x = 213,252,451,311.45/535,623.57
  6. Step 6: Final answer
    x = 398,138.66

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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.