Home / 646,201.72-891,787.62-374,281.48

Finding the Fourth Proportional to 646,201.72, 891,787.62 and 374,281.48

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Solution

The fourth proportional to 646,201.72, 891,787.62 and 374,281.48 is: 516,525.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,201.72 : 891,787.62 = 374,281.48 : x
  2. Step 2: Convert to fraction form
    646,201.72/891,787.62 = 374,281.48/x
  3. Step 3: Cross multiply
    646,201.72x = 891,787.62 × 374,281.48
  4. Step 4: Simplify right side
    646,201.72x = 333,779,590,259.28
  5. Step 5: Solve for x
    x = 333,779,590,259.28/646,201.72
  6. Step 6: Final answer
    x = 516,525.38

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1.5x scale

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.