Home / 717,700.20-1,076,355.90-212,260.20

Finding the Fourth Proportional to 717,700.20, 1,076,355.90 and 212,260.20

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Solution

The fourth proportional to 717,700.20, 1,076,355.90 and 212,260.20 is: 318,332.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,700.20 : 1,076,355.90 = 212,260.20 : x
  2. Step 2: Convert to fraction form
    717,700.20/1,076,355.90 = 212,260.20/x
  3. Step 3: Cross multiply
    717,700.20x = 1,076,355.90 × 212,260.20
  4. Step 4: Simplify right side
    717,700.20x = 228,467,518,605.18
  5. Step 5: Solve for x
    x = 228,467,518,605.18/717,700.20
  6. Step 6: Final answer
    x = 318,332.81

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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.