Home / 558,149.64-770,256.18-303,502.38

Finding the Fourth Proportional to 558,149.64, 770,256.18 and 303,502.38

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Solution

The fourth proportional to 558,149.64, 770,256.18 and 303,502.38 is: 418,838.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,149.64 : 770,256.18 = 303,502.38 : x
  2. Step 2: Convert to fraction form
    558,149.64/770,256.18 = 303,502.38/x
  3. Step 3: Cross multiply
    558,149.64x = 770,256.18 × 303,502.38
  4. Step 4: Simplify right side
    558,149.64x = 233,774,583,839.71
  5. Step 5: Solve for x
    x = 233,774,583,839.71/558,149.64
  6. Step 6: Final answer
    x = 418,838.55

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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.