Home / 805,875.20-1,209,371.70-606,615.20

Finding the Fourth Proportional to 805,875.20, 1,209,371.70 and 606,615.20

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Solution

The fourth proportional to 805,875.20, 1,209,371.70 and 606,615.20 is: 910,343.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,875.20 : 1,209,371.70 = 606,615.20 : x
  2. Step 2: Convert to fraction form
    805,875.20/1,209,371.70 = 606,615.20/x
  3. Step 3: Cross multiply
    805,875.20x = 1,209,371.70 × 606,615.20
  4. Step 4: Simplify right side
    805,875.20x = 733,623,255,669.84
  5. Step 5: Solve for x
    x = 733,623,255,669.84/805,875.20
  6. Step 6: Final answer
    x = 910,343.51

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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.