Home / 738,051.08-1,018,521.78-436,273.16

Finding the Fourth Proportional to 738,051.08, 1,018,521.78 and 436,273.16

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Solution

The fourth proportional to 738,051.08, 1,018,521.78 and 436,273.16 is: 602,063.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,051.08 : 1,018,521.78 = 436,273.16 : x
  2. Step 2: Convert to fraction form
    738,051.08/1,018,521.78 = 436,273.16/x
  3. Step 3: Cross multiply
    738,051.08x = 1,018,521.78 × 436,273.16
  4. Step 4: Simplify right side
    738,051.08x = 444,353,715,489.43
  5. Step 5: Solve for x
    x = 444,353,715,489.43/738,051.08
  6. Step 6: Final answer
    x = 602,063.63

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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.