Home / 917,765.40-1,376,648.10-598,900.80

Finding the Fourth Proportional to 917,765.40, 1,376,648.10 and 598,900.80

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Solution

The fourth proportional to 917,765.40, 1,376,648.10 and 598,900.80 is: 898,351.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,765.40 : 1,376,648.10 = 598,900.80 : x
  2. Step 2: Convert to fraction form
    917,765.40/1,376,648.10 = 598,900.80/x
  3. Step 3: Cross multiply
    917,765.40x = 1,376,648.10 × 598,900.80
  4. Step 4: Simplify right side
    917,765.40x = 824,475,648,408.48
  5. Step 5: Solve for x
    x = 824,475,648,408.48/917,765.40
  6. Step 6: Final answer
    x = 898,351.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.