Home / 785,874.20-1,178,811.30-470,168.60

Finding the Fourth Proportional to 785,874.20, 1,178,811.30 and 470,168.60

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Solution

The fourth proportional to 785,874.20, 1,178,811.30 and 470,168.60 is: 705,252.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,874.20 : 1,178,811.30 = 470,168.60 : x
  2. Step 2: Convert to fraction form
    785,874.20/1,178,811.30 = 470,168.60/x
  3. Step 3: Cross multiply
    785,874.20x = 1,178,811.30 × 470,168.60
  4. Step 4: Simplify right side
    785,874.20x = 554,240,058,585.18
  5. Step 5: Solve for x
    x = 554,240,058,585.18/785,874.20
  6. Step 6: Final answer
    x = 705,252.90

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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.