Home / 714,830.40-1,072,634.40-294,148.80

Finding the Fourth Proportional to 714,830.40, 1,072,634.40 and 294,148.80

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Solution

The fourth proportional to 714,830.40, 1,072,634.40 and 294,148.80 is: 441,383.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,830.40 : 1,072,634.40 = 294,148.80 : x
  2. Step 2: Convert to fraction form
    714,830.40/1,072,634.40 = 294,148.80/x
  3. Step 3: Cross multiply
    714,830.40x = 1,072,634.40 × 294,148.80
  4. Step 4: Simplify right side
    714,830.40x = 315,514,121,598.72
  5. Step 5: Solve for x
    x = 315,514,121,598.72/714,830.40
  6. Step 6: Final answer
    x = 441,383.19

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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.