Home / 810,827.28-1,118,973.15-538,425.45

Finding the Fourth Proportional to 810,827.28, 1,118,973.15 and 538,425.45

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Solution

The fourth proportional to 810,827.28, 1,118,973.15 and 538,425.45 is: 743,048.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,827.28 : 1,118,973.15 = 538,425.45 : x
  2. Step 2: Convert to fraction form
    810,827.28/1,118,973.15 = 538,425.45/x
  3. Step 3: Cross multiply
    810,827.28x = 1,118,973.15 × 538,425.45
  4. Step 4: Simplify right side
    810,827.28x = 602,483,621,826.67
  5. Step 5: Solve for x
    x = 602,483,621,826.67/810,827.28
  6. Step 6: Final answer
    x = 743,048.04

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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.