Home / 558,244.51-770,353.94-316,543.34

Finding the Fourth Proportional to 558,244.51, 770,353.94 and 316,543.34

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Solution

The fourth proportional to 558,244.51, 770,353.94 and 316,543.34 is: 436,816.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,244.51 : 770,353.94 = 316,543.34 : x
  2. Step 2: Convert to fraction form
    558,244.51/770,353.94 = 316,543.34/x
  3. Step 3: Cross multiply
    558,244.51x = 770,353.94 × 316,543.34
  4. Step 4: Simplify right side
    558,244.51x = 243,850,411,867.00
  5. Step 5: Solve for x
    x = 243,850,411,867.00/558,244.51
  6. Step 6: Final answer
    x = 436,816.50

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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.