Home / 717,967.40-1,076,951.10-480,021.80

Finding the Fourth Proportional to 717,967.40, 1,076,951.10 and 480,021.80

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Solution

The fourth proportional to 717,967.40, 1,076,951.10 and 480,021.80 is: 720,032.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,967.40 : 1,076,951.10 = 480,021.80 : x
  2. Step 2: Convert to fraction form
    717,967.40/1,076,951.10 = 480,021.80/x
  3. Step 3: Cross multiply
    717,967.40x = 1,076,951.10 × 480,021.80
  4. Step 4: Simplify right side
    717,967.40x = 516,960,005,533.98
  5. Step 5: Solve for x
    x = 516,960,005,533.98/717,967.40
  6. Step 6: Final answer
    x = 720,032.70

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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.