Home / 738,642.33-1,020,166.72-496,504.37

Finding the Fourth Proportional to 738,642.33, 1,020,166.72 and 496,504.37

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Solution

The fourth proportional to 738,642.33, 1,020,166.72 and 496,504.37 is: 685,740.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,642.33 : 1,020,166.72 = 496,504.37 : x
  2. Step 2: Convert to fraction form
    738,642.33/1,020,166.72 = 496,504.37/x
  3. Step 3: Cross multiply
    738,642.33x = 1,020,166.72 × 496,504.37
  4. Step 4: Simplify right side
    738,642.33x = 506,517,235,917.72
  5. Step 5: Solve for x
    x = 506,517,235,917.72/738,642.33
  6. Step 6: Final answer
    x = 685,740.87

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.