Home / 738,285.36-1,018,843.32-436,476.72

Finding the Fourth Proportional to 738,285.36, 1,018,843.32 and 436,476.72

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Solution

The fourth proportional to 738,285.36, 1,018,843.32 and 436,476.72 is: 602,343.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,285.36 : 1,018,843.32 = 436,476.72 : x
  2. Step 2: Convert to fraction form
    738,285.36/1,018,843.32 = 436,476.72/x
  3. Step 3: Cross multiply
    738,285.36x = 1,018,843.32 × 436,476.72
  4. Step 4: Simplify right side
    738,285.36x = 444,701,390,507.51
  5. Step 5: Solve for x
    x = 444,701,390,507.51/738,285.36
  6. Step 6: Final answer
    x = 602,343.50

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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.