Home / 738,639.33-1,020,162.57-496,501.38

Finding the Fourth Proportional to 738,639.33, 1,020,162.57 and 496,501.38

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Solution

The fourth proportional to 738,639.33, 1,020,162.57 and 496,501.38 is: 685,736.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,639.33 : 1,020,162.57 = 496,501.38 : x
  2. Step 2: Convert to fraction form
    738,639.33/1,020,162.57 = 496,501.38/x
  3. Step 3: Cross multiply
    738,639.33x = 1,020,162.57 × 496,501.38
  4. Step 4: Simplify right side
    738,639.33x = 506,512,123,829.35
  5. Step 5: Solve for x
    x = 506,512,123,829.35/738,639.33
  6. Step 6: Final answer
    x = 685,736.74

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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.