Home / 738,636.33-1,020,158.43-496,498.38

Finding the Fourth Proportional to 738,636.33, 1,020,158.43 and 496,498.38

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Solution

The fourth proportional to 738,636.33, 1,020,158.43 and 496,498.38 is: 685,732.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,636.33 : 1,020,158.43 = 496,498.38 : x
  2. Step 2: Convert to fraction form
    738,636.33/1,020,158.43 = 496,498.38/x
  3. Step 3: Cross multiply
    738,636.33x = 1,020,158.43 × 496,498.38
  4. Step 4: Simplify right side
    738,636.33x = 506,507,007,838.34
  5. Step 5: Solve for x
    x = 506,507,007,838.34/738,636.33
  6. Step 6: Final answer
    x = 685,732.60

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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.