Home / 911,733.95-1,366,513.92-424,762.86

Finding the Fourth Proportional to 911,733.95, 1,366,513.92 and 424,762.86

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Solution

The fourth proportional to 911,733.95, 1,366,513.92 and 424,762.86 is: 636,637.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,733.95 : 1,366,513.92 = 424,762.86 : x
  2. Step 2: Convert to fraction form
    911,733.95/1,366,513.92 = 424,762.86/x
  3. Step 3: Cross multiply
    911,733.95x = 1,366,513.92 × 424,762.86
  4. Step 4: Simplify right side
    911,733.95x = 580,444,360,889.01
  5. Step 5: Solve for x
    x = 580,444,360,889.01/911,733.95
  6. Step 6: Final answer
    x = 636,637.87

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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.