Home / 725,322.52-1,086,875.34-304,368.76

Finding the Fourth Proportional to 725,322.52, 1,086,875.34 and 304,368.76

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Solution

The fourth proportional to 725,322.52, 1,086,875.34 and 304,368.76 is: 456,088.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,322.52 : 1,086,875.34 = 304,368.76 : x
  2. Step 2: Convert to fraction form
    725,322.52/1,086,875.34 = 304,368.76/x
  3. Step 3: Cross multiply
    725,322.52x = 1,086,875.34 × 304,368.76
  4. Step 4: Simplify right side
    725,322.52x = 330,810,899,510.38
  5. Step 5: Solve for x
    x = 330,810,899,510.38/725,322.52
  6. Step 6: Final answer
    x = 456,088.00

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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.