Home / 838,485.64-1,157,134.98-475,902.28

Finding the Fourth Proportional to 838,485.64, 1,157,134.98 and 475,902.28

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Solution

The fourth proportional to 838,485.64, 1,157,134.98 and 475,902.28 is: 656,759.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,485.64 : 1,157,134.98 = 475,902.28 : x
  2. Step 2: Convert to fraction form
    838,485.64/1,157,134.98 = 475,902.28/x
  3. Step 3: Cross multiply
    838,485.64x = 1,157,134.98 × 475,902.28
  4. Step 4: Simplify right side
    838,485.64x = 550,683,175,249.75
  5. Step 5: Solve for x
    x = 550,683,175,249.75/838,485.64
  6. Step 6: Final answer
    x = 656,759.22

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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.