Home / 569,485.13-785,905.88-314,852.72

Finding the Fourth Proportional to 569,485.13, 785,905.88 and 314,852.72

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Solution

The fourth proportional to 569,485.13, 785,905.88 and 314,852.72 is: 434,505.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,485.13 : 785,905.88 = 314,852.72 : x
  2. Step 2: Convert to fraction form
    569,485.13/785,905.88 = 314,852.72/x
  3. Step 3: Cross multiply
    569,485.13x = 785,905.88 × 314,852.72
  4. Step 4: Simplify right side
    569,485.13x = 247,444,598,478.20
  5. Step 5: Solve for x
    x = 247,444,598,478.20/569,485.13
  6. Step 6: Final answer
    x = 434,505.82

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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.