Home / 867,085.20-1,300,627.80-657,133.20

Finding the Fourth Proportional to 867,085.20, 1,300,627.80 and 657,133.20

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Solution

The fourth proportional to 867,085.20, 1,300,627.80 and 657,133.20 is: 985,699.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,085.20 : 1,300,627.80 = 657,133.20 : x
  2. Step 2: Convert to fraction form
    867,085.20/1,300,627.80 = 657,133.20/x
  3. Step 3: Cross multiply
    867,085.20x = 1,300,627.80 × 657,133.20
  4. Step 4: Simplify right side
    867,085.20x = 854,685,708,222.96
  5. Step 5: Solve for x
    x = 854,685,708,222.96/867,085.20
  6. Step 6: Final answer
    x = 985,699.80

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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.