Home / 670,818.40-1,006,276.20-404,004.40

Finding the Fourth Proportional to 670,818.40, 1,006,276.20 and 404,004.40

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Solution

The fourth proportional to 670,818.40, 1,006,276.20 and 404,004.40 is: 606,035.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,818.40 : 1,006,276.20 = 404,004.40 : x
  2. Step 2: Convert to fraction form
    670,818.40/1,006,276.20 = 404,004.40/x
  3. Step 3: Cross multiply
    670,818.40x = 1,006,276.20 × 404,004.40
  4. Step 4: Simplify right side
    670,818.40x = 406,540,012,415.28
  5. Step 5: Solve for x
    x = 406,540,012,415.28/670,818.40
  6. Step 6: Final answer
    x = 606,035.87

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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.