Home / 738,525.69-1,107,345.60-338,665.55

Finding the Fourth Proportional to 738,525.69, 1,107,345.60 and 338,665.55

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Solution

The fourth proportional to 738,525.69, 1,107,345.60 and 338,665.55 is: 507,795.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,525.69 : 1,107,345.60 = 338,665.55 : x
  2. Step 2: Convert to fraction form
    738,525.69/1,107,345.60 = 338,665.55/x
  3. Step 3: Cross multiply
    738,525.69x = 1,107,345.60 × 338,665.55
  4. Step 4: Simplify right side
    738,525.69x = 375,019,801,127.35
  5. Step 5: Solve for x
    x = 375,019,801,127.35/738,525.69
  6. Step 6: Final answer
    x = 507,795.20

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Double scale
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1.5x scale

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.