Home / 671,512.40-1,007,446.80-292,270.40

Finding the Fourth Proportional to 671,512.40, 1,007,446.80 and 292,270.40

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Solution

The fourth proportional to 671,512.40, 1,007,446.80 and 292,270.40 is: 438,483.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,512.40 : 1,007,446.80 = 292,270.40 : x
  2. Step 2: Convert to fraction form
    671,512.40/1,007,446.80 = 292,270.40/x
  3. Step 3: Cross multiply
    671,512.40x = 1,007,446.80 × 292,270.40
  4. Step 4: Simplify right side
    671,512.40x = 294,446,879,214.72
  5. Step 5: Solve for x
    x = 294,446,879,214.72/671,512.40
  6. Step 6: Final answer
    x = 438,483.16

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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.