Home / 712,464.33-1,068,830.96-286,033.58

Finding the Fourth Proportional to 712,464.33, 1,068,830.96 and 286,033.58

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Solution

The fourth proportional to 712,464.33, 1,068,830.96 and 286,033.58 is: 429,104.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,464.33 : 1,068,830.96 = 286,033.58 : x
  2. Step 2: Convert to fraction form
    712,464.33/1,068,830.96 = 286,033.58/x
  3. Step 3: Cross multiply
    712,464.33x = 1,068,830.96 × 286,033.58
  4. Step 4: Simplify right side
    712,464.33x = 305,721,539,129.31
  5. Step 5: Solve for x
    x = 305,721,539,129.31/712,464.33
  6. Step 6: Final answer
    x = 429,104.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.