Home / 934,988.86-1,405,015.76-508,839.76

Finding the Fourth Proportional to 934,988.86, 1,405,015.76 and 508,839.76

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Solution

The fourth proportional to 934,988.86, 1,405,015.76 and 508,839.76 is: 764,637.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,988.86 : 1,405,015.76 = 508,839.76 : x
  2. Step 2: Convert to fraction form
    934,988.86/1,405,015.76 = 508,839.76/x
  3. Step 3: Cross multiply
    934,988.86x = 1,405,015.76 × 508,839.76
  4. Step 4: Simplify right side
    934,988.86x = 714,927,882,114.62
  5. Step 5: Solve for x
    x = 714,927,882,114.62/934,988.86
  6. Step 6: Final answer
    x = 764,637.86

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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.