Home / 879,900.24-1,214,361.24-497,951.76

Finding the Fourth Proportional to 879,900.24, 1,214,361.24 and 497,951.76

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Solution

The fourth proportional to 879,900.24, 1,214,361.24 and 497,951.76 is: 687,229.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,900.24 : 1,214,361.24 = 497,951.76 : x
  2. Step 2: Convert to fraction form
    879,900.24/1,214,361.24 = 497,951.76/x
  3. Step 3: Cross multiply
    879,900.24x = 1,214,361.24 × 497,951.76
  4. Step 4: Simplify right side
    879,900.24x = 604,693,316,733.78
  5. Step 5: Solve for x
    x = 604,693,316,733.78/879,900.24
  6. Step 6: Final answer
    x = 687,229.40

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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.