Home / 294,829.40-442,244.10-289,908.65

Finding the Fourth Proportional to 294,829.40, 442,244.10 and 289,908.65

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Solution

The fourth proportional to 294,829.40, 442,244.10 and 289,908.65 is: 434,862.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,829.40 : 442,244.10 = 289,908.65 : x
  2. Step 2: Convert to fraction form
    294,829.40/442,244.10 = 289,908.65/x
  3. Step 3: Cross multiply
    294,829.40x = 442,244.10 × 289,908.65
  4. Step 4: Simplify right side
    294,829.40x = 128,210,390,001.47
  5. Step 5: Solve for x
    x = 128,210,390,001.47/294,829.40
  6. Step 6: Final answer
    x = 434,862.98

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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.