Home / 707,157.38-1,060,407.21-257,565.26

Finding the Fourth Proportional to 707,157.38, 1,060,407.21 and 257,565.26

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Solution

The fourth proportional to 707,157.38, 1,060,407.21 and 257,565.26 is: 386,228.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,157.38 : 1,060,407.21 = 257,565.26 : x
  2. Step 2: Convert to fraction form
    707,157.38/1,060,407.21 = 257,565.26/x
  3. Step 3: Cross multiply
    707,157.38x = 1,060,407.21 × 257,565.26
  4. Step 4: Simplify right side
    707,157.38x = 273,124,058,749.53
  5. Step 5: Solve for x
    x = 273,124,058,749.53/707,157.38
  6. Step 6: Final answer
    x = 386,228.11

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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.