Home / 897,983.21-1,239,228.32-530,472.44

Finding the Fourth Proportional to 897,983.21, 1,239,228.32 and 530,472.44

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Solution

The fourth proportional to 897,983.21, 1,239,228.32 and 530,472.44 is: 732,058.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,983.21 : 1,239,228.32 = 530,472.44 : x
  2. Step 2: Convert to fraction form
    897,983.21/1,239,228.32 = 530,472.44/x
  3. Step 3: Cross multiply
    897,983.21x = 1,239,228.32 × 530,472.44
  4. Step 4: Simplify right side
    897,983.21x = 657,376,471,073.21
  5. Step 5: Solve for x
    x = 657,376,471,073.21/897,983.21
  6. Step 6: Final answer
    x = 732,058.75

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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.