Home / 905,101.86-1,358,225.51-506,004.45

Finding the Fourth Proportional to 905,101.86, 1,358,225.51 and 506,004.45

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Solution

The fourth proportional to 905,101.86, 1,358,225.51 and 506,004.45 is: 759,326.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,101.86 : 1,358,225.51 = 506,004.45 : x
  2. Step 2: Convert to fraction form
    905,101.86/1,358,225.51 = 506,004.45/x
  3. Step 3: Cross multiply
    905,101.86x = 1,358,225.51 × 506,004.45
  4. Step 4: Simplify right side
    905,101.86x = 687,268,152,163.52
  5. Step 5: Solve for x
    x = 687,268,152,163.52/905,101.86
  6. Step 6: Final answer
    x = 759,326.86

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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.