Home / 890,384.98-1,329,130.29-782,648.24

Finding the Fourth Proportional to 890,384.98, 1,329,130.29 and 782,648.24

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Solution

The fourth proportional to 890,384.98, 1,329,130.29 and 782,648.24 is: 1,168,305.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,384.98 : 1,329,130.29 = 782,648.24 : x
  2. Step 2: Convert to fraction form
    890,384.98/1,329,130.29 = 782,648.24/x
  3. Step 3: Cross multiply
    890,384.98x = 1,329,130.29 × 782,648.24
  4. Step 4: Simplify right side
    890,384.98x = 1,040,241,475,553.54
  5. Step 5: Solve for x
    x = 1,040,241,475,553.54/890,384.98
  6. Step 6: Final answer
    x = 1,168,305.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.