Home / 916,642.50-1,375,001.01-436,623.54

Finding the Fourth Proportional to 916,642.50, 1,375,001.01 and 436,623.54

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Solution

The fourth proportional to 916,642.50, 1,375,001.01 and 436,623.54 is: 654,953.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,642.50 : 1,375,001.01 = 436,623.54 : x
  2. Step 2: Convert to fraction form
    916,642.50/1,375,001.01 = 436,623.54/x
  3. Step 3: Cross multiply
    916,642.50x = 1,375,001.01 × 436,623.54
  4. Step 4: Simplify right side
    916,642.50x = 600,357,808,489.78
  5. Step 5: Solve for x
    x = 600,357,808,489.78/916,642.50
  6. Step 6: Final answer
    x = 654,953.06

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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.