Home / 921,348.27-1,271,404.76-507,866.97

Finding the Fourth Proportional to 921,348.27, 1,271,404.76 and 507,866.97

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Solution

The fourth proportional to 921,348.27, 1,271,404.76 and 507,866.97 is: 700,825.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,348.27 : 1,271,404.76 = 507,866.97 : x
  2. Step 2: Convert to fraction form
    921,348.27/1,271,404.76 = 507,866.97/x
  3. Step 3: Cross multiply
    921,348.27x = 1,271,404.76 × 507,866.97
  4. Step 4: Simplify right side
    921,348.27x = 645,704,484,374.45
  5. Step 5: Solve for x
    x = 645,704,484,374.45/921,348.27
  6. Step 6: Final answer
    x = 700,825.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.