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Finding the Fourth Proportional to 575,543.58, 794,250.63 and 320,889.66

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Solution

The fourth proportional to 575,543.58, 794,250.63 and 320,889.66 is: 442,828.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,543.58 : 794,250.63 = 320,889.66 : x
  2. Step 2: Convert to fraction form
    575,543.58/794,250.63 = 320,889.66/x
  3. Step 3: Cross multiply
    575,543.58x = 794,250.63 × 320,889.66
  4. Step 4: Simplify right side
    575,543.58x = 254,866,814,615.49
  5. Step 5: Solve for x
    x = 254,866,814,615.49/575,543.58
  6. Step 6: Final answer
    x = 442,828.00

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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.