Home / 879,956.02-1,214,357.49-497,982.70

Finding the Fourth Proportional to 879,956.02, 1,214,357.49 and 497,982.70

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Solution

The fourth proportional to 879,956.02, 1,214,357.49 and 497,982.70 is: 687,226.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,956.02 : 1,214,357.49 = 497,982.70 : x
  2. Step 2: Convert to fraction form
    879,956.02/1,214,357.49 = 497,982.70/x
  3. Step 3: Cross multiply
    879,956.02x = 1,214,357.49 × 497,982.70
  4. Step 4: Simplify right side
    879,956.02x = 604,729,021,635.42
  5. Step 5: Solve for x
    x = 604,729,021,635.42/879,956.02
  6. Step 6: Final answer
    x = 687,226.42

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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.