Home / 534,021.96-736,943.89-289,001.01

Finding the Fourth Proportional to 534,021.96, 736,943.89 and 289,001.01

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Solution

The fourth proportional to 534,021.96, 736,943.89 and 289,001.01 is: 398,817.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,021.96 : 736,943.89 = 289,001.01 : x
  2. Step 2: Convert to fraction form
    534,021.96/736,943.89 = 289,001.01/x
  3. Step 3: Cross multiply
    534,021.96x = 736,943.89 × 289,001.01
  4. Step 4: Simplify right side
    534,021.96x = 212,977,531,106.24
  5. Step 5: Solve for x
    x = 212,977,531,106.24/534,021.96
  6. Step 6: Final answer
    x = 398,817.92

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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.