Home / 558,154.80-770,237.64-316,460.52

Finding the Fourth Proportional to 558,154.80, 770,237.64 and 316,460.52

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Solution

The fourth proportional to 558,154.80, 770,237.64 and 316,460.52 is: 436,706.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,154.80 : 770,237.64 = 316,460.52 : x
  2. Step 2: Convert to fraction form
    558,154.80/770,237.64 = 316,460.52/x
  3. Step 3: Cross multiply
    558,154.80x = 770,237.64 × 316,460.52
  4. Step 4: Simplify right side
    558,154.80x = 243,749,804,077.97
  5. Step 5: Solve for x
    x = 243,749,804,077.97/558,154.80
  6. Step 6: Final answer
    x = 436,706.46

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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.