Home / 486,657.35-671,541.95-314,579.33

Finding the Fourth Proportional to 486,657.35, 671,541.95 and 314,579.33

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Solution

The fourth proportional to 486,657.35, 671,541.95 and 314,579.33 is: 434,090.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,657.35 : 671,541.95 = 314,579.33 : x
  2. Step 2: Convert to fraction form
    486,657.35/671,541.95 = 314,579.33/x
  3. Step 3: Cross multiply
    486,657.35x = 671,541.95 × 314,579.33
  4. Step 4: Simplify right side
    486,657.35x = 211,253,215,125.00
  5. Step 5: Solve for x
    x = 211,253,215,125.00/486,657.35
  6. Step 6: Final answer
    x = 434,090.26

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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.