Home / 558,283.16-770,434.40-303,636.20

Finding the Fourth Proportional to 558,283.16, 770,434.40 and 303,636.20

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Solution

The fourth proportional to 558,283.16, 770,434.40 and 303,636.20 is: 419,019.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,283.16 : 770,434.40 = 303,636.20 : x
  2. Step 2: Convert to fraction form
    558,283.16/770,434.40 = 303,636.20/x
  3. Step 3: Cross multiply
    558,283.16x = 770,434.40 × 303,636.20
  4. Step 4: Simplify right side
    558,283.16x = 233,931,773,565.28
  5. Step 5: Solve for x
    x = 233,931,773,565.28/558,283.16
  6. Step 6: Final answer
    x = 419,019.94

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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.