Home / 558,657.12-770,945.40-304,008.24

Finding the Fourth Proportional to 558,657.12, 770,945.40 and 304,008.24

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Solution

The fourth proportional to 558,657.12, 770,945.40 and 304,008.24 is: 419,530.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,657.12 : 770,945.40 = 304,008.24 : x
  2. Step 2: Convert to fraction form
    558,657.12/770,945.40 = 304,008.24/x
  3. Step 3: Cross multiply
    558,657.12x = 770,945.40 × 304,008.24
  4. Step 4: Simplify right side
    558,657.12x = 234,373,754,190.10
  5. Step 5: Solve for x
    x = 234,373,754,190.10/558,657.12
  6. Step 6: Final answer
    x = 419,530.60

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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.