Home / 897,752.70-1,238,898.78-575,463.42

Finding the Fourth Proportional to 897,752.70, 1,238,898.78 and 575,463.42

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Solution

The fourth proportional to 897,752.70, 1,238,898.78 and 575,463.42 is: 794,139.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,752.70 : 1,238,898.78 = 575,463.42 : x
  2. Step 2: Convert to fraction form
    897,752.70/1,238,898.78 = 575,463.42/x
  3. Step 3: Cross multiply
    897,752.70x = 1,238,898.78 × 575,463.42
  4. Step 4: Simplify right side
    897,752.70x = 712,940,928,972.63
  5. Step 5: Solve for x
    x = 712,940,928,972.63/897,752.70
  6. Step 6: Final answer
    x = 794,139.55

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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.