Home / 662,941.40-994,412.10-382,227.80

Finding the Fourth Proportional to 662,941.40, 994,412.10 and 382,227.80

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Solution

The fourth proportional to 662,941.40, 994,412.10 and 382,227.80 is: 573,341.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,941.40 : 994,412.10 = 382,227.80 : x
  2. Step 2: Convert to fraction form
    662,941.40/994,412.10 = 382,227.80/x
  3. Step 3: Cross multiply
    662,941.40x = 994,412.10 × 382,227.80
  4. Step 4: Simplify right side
    662,941.40x = 380,091,949,276.38
  5. Step 5: Solve for x
    x = 380,091,949,276.38/662,941.40
  6. Step 6: Final answer
    x = 573,341.70

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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.