Home / 535,423.81-738,871.34-305,966.51

Finding the Fourth Proportional to 535,423.81, 738,871.34 and 305,966.51

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Solution

The fourth proportional to 535,423.81, 738,871.34 and 305,966.51 is: 422,226.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,423.81 : 738,871.34 = 305,966.51 : x
  2. Step 2: Convert to fraction form
    535,423.81/738,871.34 = 305,966.51/x
  3. Step 3: Cross multiply
    535,423.81x = 738,871.34 × 305,966.51
  4. Step 4: Simplify right side
    535,423.81x = 226,069,885,238.82
  5. Step 5: Solve for x
    x = 226,069,885,238.82/535,423.81
  6. Step 6: Final answer
    x = 422,226.06

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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.