Home / 558,165.09-770,301.42-328,875.18

Finding the Fourth Proportional to 558,165.09, 770,301.42 and 328,875.18

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Solution

The fourth proportional to 558,165.09, 770,301.42 and 328,875.18 is: 453,867.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,165.09 : 770,301.42 = 328,875.18 : x
  2. Step 2: Convert to fraction form
    558,165.09/770,301.42 = 328,875.18/x
  3. Step 3: Cross multiply
    558,165.09x = 770,301.42 × 328,875.18
  4. Step 4: Simplify right side
    558,165.09x = 253,333,019,093.35
  5. Step 5: Solve for x
    x = 253,333,019,093.35/558,165.09
  6. Step 6: Final answer
    x = 453,867.55

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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.