Home / 535,911.23-802,815.84-310,798.73

Finding the Fourth Proportional to 535,911.23, 802,815.84 and 310,798.73

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Solution

The fourth proportional to 535,911.23, 802,815.84 and 310,798.73 is: 465,588.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,911.23 : 802,815.84 = 310,798.73 : x
  2. Step 2: Convert to fraction form
    535,911.23/802,815.84 = 310,798.73/x
  3. Step 3: Cross multiply
    535,911.23x = 802,815.84 × 310,798.73
  4. Step 4: Simplify right side
    535,911.23x = 249,514,145,502.92
  5. Step 5: Solve for x
    x = 249,514,145,502.92/535,911.23
  6. Step 6: Final answer
    x = 465,588.57

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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.