Home / 452,631.68-624,371.90-282,570.56

Finding the Fourth Proportional to 452,631.68, 624,371.90 and 282,570.56

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Solution

The fourth proportional to 452,631.68, 624,371.90 and 282,570.56 is: 389,785.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,631.68 : 624,371.90 = 282,570.56 : x
  2. Step 2: Convert to fraction form
    452,631.68/624,371.90 = 282,570.56/x
  3. Step 3: Cross multiply
    452,631.68x = 624,371.90 × 282,570.56
  4. Step 4: Simplify right side
    452,631.68x = 176,429,117,579.34
  5. Step 5: Solve for x
    x = 176,429,117,579.34/452,631.68
  6. Step 6: Final answer
    x = 389,785.17

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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.