Home / 558,635.13-770,933.90-316,927.89

Finding the Fourth Proportional to 558,635.13, 770,933.90 and 316,927.89

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Solution

The fourth proportional to 558,635.13, 770,933.90 and 316,927.89 is: 437,370.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,635.13 : 770,933.90 = 316,927.89 : x
  2. Step 2: Convert to fraction form
    558,635.13/770,933.90 = 316,927.89/x
  3. Step 3: Cross multiply
    558,635.13x = 770,933.90 × 316,927.89
  4. Step 4: Simplify right side
    558,635.13x = 244,330,455,048.79
  5. Step 5: Solve for x
    x = 244,330,455,048.79/558,635.13
  6. Step 6: Final answer
    x = 437,370.37

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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.