Home / 856,210.22-1,284,785.53-496,820.51

Finding the Fourth Proportional to 856,210.22, 1,284,785.53 and 496,820.51

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Solution

The fourth proportional to 856,210.22, 1,284,785.53 and 496,820.51 is: 745,503.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,210.22 : 1,284,785.53 = 496,820.51 : x
  2. Step 2: Convert to fraction form
    856,210.22/1,284,785.53 = 496,820.51/x
  3. Step 3: Cross multiply
    856,210.22x = 1,284,785.53 × 496,820.51
  4. Step 4: Simplify right side
    856,210.22x = 638,307,802,255.22
  5. Step 5: Solve for x
    x = 638,307,802,255.22/856,210.22
  6. Step 6: Final answer
    x = 745,503.60

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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.