Home / 558,011.36-770,115.80-316,267.94

Finding the Fourth Proportional to 558,011.36, 770,115.80 and 316,267.94

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Solution

The fourth proportional to 558,011.36, 770,115.80 and 316,267.94 is: 436,483.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,011.36 : 770,115.80 = 316,267.94 : x
  2. Step 2: Convert to fraction form
    558,011.36/770,115.80 = 316,267.94/x
  3. Step 3: Cross multiply
    558,011.36x = 770,115.80 × 316,267.94
  4. Step 4: Simplify right side
    558,011.36x = 243,562,937,627.45
  5. Step 5: Solve for x
    x = 243,562,937,627.45/558,011.36
  6. Step 6: Final answer
    x = 436,483.83

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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.