Home / 900,893.48-1,243,233.16-492,995.42

Finding the Fourth Proportional to 900,893.48, 1,243,233.16 and 492,995.42

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Solution

The fourth proportional to 900,893.48, 1,243,233.16 and 492,995.42 is: 680,333.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,893.48 : 1,243,233.16 = 492,995.42 : x
  2. Step 2: Convert to fraction form
    900,893.48/1,243,233.16 = 492,995.42/x
  3. Step 3: Cross multiply
    900,893.48x = 1,243,233.16 × 492,995.42
  4. Step 4: Simplify right side
    900,893.48x = 612,908,253,872.13
  5. Step 5: Solve for x
    x = 612,908,253,872.13/900,893.48
  6. Step 6: Final answer
    x = 680,333.77

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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.