Home / 934,987.86-1,405,014.26-508,838.76

Finding the Fourth Proportional to 934,987.86, 1,405,014.26 and 508,838.76

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Solution

The fourth proportional to 934,987.86, 1,405,014.26 and 508,838.76 is: 764,636.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,987.86 : 1,405,014.26 = 508,838.76 : x
  2. Step 2: Convert to fraction form
    934,987.86/1,405,014.26 = 508,838.76/x
  3. Step 3: Cross multiply
    934,987.86x = 1,405,014.26 × 508,838.76
  4. Step 4: Simplify right side
    934,987.86x = 714,925,711,296.52
  5. Step 5: Solve for x
    x = 714,925,711,296.52/934,987.86
  6. Step 6: Final answer
    x = 764,636.36

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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.