Home / 671,433.12-926,521.20-384,887.52

Finding the Fourth Proportional to 671,433.12, 926,521.20 and 384,887.52

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Solution

The fourth proportional to 671,433.12, 926,521.20 and 384,887.52 is: 531,112.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,433.12 : 926,521.20 = 384,887.52 : x
  2. Step 2: Convert to fraction form
    671,433.12/926,521.20 = 384,887.52/x
  3. Step 3: Cross multiply
    671,433.12x = 926,521.20 × 384,887.52
  4. Step 4: Simplify right side
    671,433.12x = 356,606,446,895.42
  5. Step 5: Solve for x
    x = 356,606,446,895.42/671,433.12
  6. Step 6: Final answer
    x = 531,112.39

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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.