Home / 714,661.09-1,071,827.91-426,554.01

Finding the Fourth Proportional to 714,661.09, 1,071,827.91 and 426,554.01

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Solution

The fourth proportional to 714,661.09, 1,071,827.91 and 426,554.01 is: 639,733.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,661.09 : 1,071,827.91 = 426,554.01 : x
  2. Step 2: Convert to fraction form
    714,661.09/1,071,827.91 = 426,554.01/x
  3. Step 3: Cross multiply
    714,661.09x = 1,071,827.91 × 426,554.01
  4. Step 4: Simplify right side
    714,661.09x = 457,192,493,040.42
  5. Step 5: Solve for x
    x = 457,192,493,040.42/714,661.09
  6. Step 6: Final answer
    x = 639,733.30

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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.