Home / 711,190.48-1,064,161.31-427,054.07

Finding the Fourth Proportional to 711,190.48, 1,064,161.31 and 427,054.07

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Solution

The fourth proportional to 711,190.48, 1,064,161.31 and 427,054.07 is: 639,005.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,190.48 : 1,064,161.31 = 427,054.07 : x
  2. Step 2: Convert to fraction form
    711,190.48/1,064,161.31 = 427,054.07/x
  3. Step 3: Cross multiply
    711,190.48x = 1,064,161.31 × 427,054.07
  4. Step 4: Simplify right side
    711,190.48x = 454,454,416,436.76
  5. Step 5: Solve for x
    x = 454,454,416,436.76/711,190.48
  6. Step 6: Final answer
    x = 639,005.20

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1.5x scale

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.