Home / 771,728.22-1,064,999.61-432,195.66

Finding the Fourth Proportional to 771,728.22, 1,064,999.61 and 432,195.66

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Solution

The fourth proportional to 771,728.22, 1,064,999.61 and 432,195.66 is: 596,438.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,728.22 : 1,064,999.61 = 432,195.66 : x
  2. Step 2: Convert to fraction form
    771,728.22/1,064,999.61 = 432,195.66/x
  3. Step 3: Cross multiply
    771,728.22x = 1,064,999.61 × 432,195.66
  4. Step 4: Simplify right side
    771,728.22x = 460,288,209,343.69
  5. Step 5: Solve for x
    x = 460,288,209,343.69/771,728.22
  6. Step 6: Final answer
    x = 596,438.22

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1.5x scale

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.