Home / 905,702.27-1,249,897.73-497,835.65

Finding the Fourth Proportional to 905,702.27, 1,249,897.73 and 497,835.65

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Solution

The fourth proportional to 905,702.27, 1,249,897.73 and 497,835.65 is: 687,028.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,702.27 : 1,249,897.73 = 497,835.65 : x
  2. Step 2: Convert to fraction form
    905,702.27/1,249,897.73 = 497,835.65/x
  3. Step 3: Cross multiply
    905,702.27x = 1,249,897.73 × 497,835.65
  4. Step 4: Simplify right side
    905,702.27x = 622,243,649,483.64
  5. Step 5: Solve for x
    x = 622,243,649,483.64/905,702.27
  6. Step 6: Final answer
    x = 687,028.92

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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.