Home / 771,159.24-1,064,199.45-431,627.49

Finding the Fourth Proportional to 771,159.24, 1,064,199.45 and 431,627.49

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Solution

The fourth proportional to 771,159.24, 1,064,199.45 and 431,627.49 is: 595,645.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,159.24 : 1,064,199.45 = 431,627.49 : x
  2. Step 2: Convert to fraction form
    771,159.24/1,064,199.45 = 431,627.49/x
  3. Step 3: Cross multiply
    771,159.24x = 1,064,199.45 × 431,627.49
  4. Step 4: Simplify right side
    771,159.24x = 459,337,737,462.88
  5. Step 5: Solve for x
    x = 459,337,737,462.88/771,159.24
  6. Step 6: Final answer
    x = 595,645.77

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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.