Home / 897,927.28-1,239,398.76-530,744.56

Finding the Fourth Proportional to 897,927.28, 1,239,398.76 and 530,744.56

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Solution

The fourth proportional to 897,927.28, 1,239,398.76 and 530,744.56 is: 732,580.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,927.28 : 1,239,398.76 = 530,744.56 : x
  2. Step 2: Convert to fraction form
    897,927.28/1,239,398.76 = 530,744.56/x
  3. Step 3: Cross multiply
    897,927.28x = 1,239,398.76 × 530,744.56
  4. Step 4: Simplify right side
    897,927.28x = 657,804,149,540.75
  5. Step 5: Solve for x
    x = 657,804,149,540.75/897,927.28
  6. Step 6: Final answer
    x = 732,580.65

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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.