Home / 915,780.93-1,263,855.32-508,014.13

Finding the Fourth Proportional to 915,780.93, 1,263,855.32 and 508,014.13

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Solution

The fourth proportional to 915,780.93, 1,263,855.32 and 508,014.13 is: 701,102.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,780.93 : 1,263,855.32 = 508,014.13 : x
  2. Step 2: Convert to fraction form
    915,780.93/1,263,855.32 = 508,014.13/x
  3. Step 3: Cross multiply
    915,780.93x = 1,263,855.32 × 508,014.13
  4. Step 4: Simplify right side
    915,780.93x = 642,056,360,835.67
  5. Step 5: Solve for x
    x = 642,056,360,835.67/915,780.93
  6. Step 6: Final answer
    x = 701,102.57

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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.