Home / 771,353.30-1,157,029.95-755,606.90

Finding the Fourth Proportional to 771,353.30, 1,157,029.95 and 755,606.90

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Solution

The fourth proportional to 771,353.30, 1,157,029.95 and 755,606.90 is: 1,133,410.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,353.30 : 1,157,029.95 = 755,606.90 : x
  2. Step 2: Convert to fraction form
    771,353.30/1,157,029.95 = 755,606.90/x
  3. Step 3: Cross multiply
    771,353.30x = 1,157,029.95 × 755,606.90
  4. Step 4: Simplify right side
    771,353.30x = 874,259,813,726.66
  5. Step 5: Solve for x
    x = 874,259,813,726.66/771,353.30
  6. Step 6: Final answer
    x = 1,133,410.35

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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.