Home / 670,066.80-1,005,877.80-404,127.60

Finding the Fourth Proportional to 670,066.80, 1,005,877.80 and 404,127.60

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Solution

The fourth proportional to 670,066.80, 1,005,877.80 and 404,127.60 is: 606,660.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,066.80 : 1,005,877.80 = 404,127.60 : x
  2. Step 2: Convert to fraction form
    670,066.80/1,005,877.80 = 404,127.60/x
  3. Step 3: Cross multiply
    670,066.80x = 1,005,877.80 × 404,127.60
  4. Step 4: Simplify right side
    670,066.80x = 406,502,981,207.28
  5. Step 5: Solve for x
    x = 406,502,981,207.28/670,066.80
  6. Step 6: Final answer
    x = 606,660.38

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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.