Home / 890,602.60-1,336,739.10-470,180.20

Finding the Fourth Proportional to 890,602.60, 1,336,739.10 and 470,180.20

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Solution

The fourth proportional to 890,602.60, 1,336,739.10 and 470,180.20 is: 705,711.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,602.60 : 1,336,739.10 = 470,180.20 : x
  2. Step 2: Convert to fraction form
    890,602.60/1,336,739.10 = 470,180.20/x
  3. Step 3: Cross multiply
    890,602.60x = 1,336,739.10 × 470,180.20
  4. Step 4: Simplify right side
    890,602.60x = 628,508,257,385.82
  5. Step 5: Solve for x
    x = 628,508,257,385.82/890,602.60
  6. Step 6: Final answer
    x = 705,711.23

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Double scale
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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.