Home / 763,525.61-1,144,896.64-403,890.57

Finding the Fourth Proportional to 763,525.61, 1,144,896.64 and 403,890.57

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Solution

The fourth proportional to 763,525.61, 1,144,896.64 and 403,890.57 is: 605,628.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,525.61 : 1,144,896.64 = 403,890.57 : x
  2. Step 2: Convert to fraction form
    763,525.61/1,144,896.64 = 403,890.57/x
  3. Step 3: Cross multiply
    763,525.61x = 1,144,896.64 × 403,890.57
  4. Step 4: Simplify right side
    763,525.61x = 462,412,955,510.96
  5. Step 5: Solve for x
    x = 462,412,955,510.96/763,525.61
  6. Step 6: Final answer
    x = 605,628.62

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1.5x scale

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.