Home / 839,172.90-1,158,018.30-476,548.86

Finding the Fourth Proportional to 839,172.90, 1,158,018.30 and 476,548.86

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Solution

The fourth proportional to 839,172.90, 1,158,018.30 and 476,548.86 is: 657,614.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,172.90 : 1,158,018.30 = 476,548.86 : x
  2. Step 2: Convert to fraction form
    839,172.90/1,158,018.30 = 476,548.86/x
  3. Step 3: Cross multiply
    839,172.90x = 1,158,018.30 × 476,548.86
  4. Step 4: Simplify right side
    839,172.90x = 551,852,294,934.05
  5. Step 5: Solve for x
    x = 551,852,294,934.05/839,172.90
  6. Step 6: Final answer
    x = 657,614.54

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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.