Home / 717,331.88-1,076,342.30-447,390.72

Finding the Fourth Proportional to 717,331.88, 1,076,342.30 and 447,390.72

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Solution

The fourth proportional to 717,331.88, 1,076,342.30 and 447,390.72 is: 671,300.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,331.88 : 1,076,342.30 = 447,390.72 : x
  2. Step 2: Convert to fraction form
    717,331.88/1,076,342.30 = 447,390.72/x
  3. Step 3: Cross multiply
    717,331.88x = 1,076,342.30 × 447,390.72
  4. Step 4: Simplify right side
    717,331.88x = 481,545,554,326.50
  5. Step 5: Solve for x
    x = 481,545,554,326.50/717,331.88
  6. Step 6: Final answer
    x = 671,300.93

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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.