Home / 717,907.80-1,076,861.70-452,187.30

Finding the Fourth Proportional to 717,907.80, 1,076,861.70 and 452,187.30

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Solution

The fourth proportional to 717,907.80, 1,076,861.70 and 452,187.30 is: 678,280.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,907.80 : 1,076,861.70 = 452,187.30 : x
  2. Step 2: Convert to fraction form
    717,907.80/1,076,861.70 = 452,187.30/x
  3. Step 3: Cross multiply
    717,907.80x = 1,076,861.70 × 452,187.30
  4. Step 4: Simplify right side
    717,907.80x = 486,943,184,596.41
  5. Step 5: Solve for x
    x = 486,943,184,596.41/717,907.80
  6. Step 6: Final answer
    x = 678,280.95

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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.