Home / 841,086.60-1,160,658.96-478,476.33

Finding the Fourth Proportional to 841,086.60, 1,160,658.96 and 478,476.33

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Solution

The fourth proportional to 841,086.60, 1,160,658.96 and 478,476.33 is: 660,274.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,086.60 : 1,160,658.96 = 478,476.33 : x
  2. Step 2: Convert to fraction form
    841,086.60/1,160,658.96 = 478,476.33/x
  3. Step 3: Cross multiply
    841,086.60x = 1,160,658.96 × 478,476.33
  4. Step 4: Simplify right side
    841,086.60x = 555,347,839,562.42
  5. Step 5: Solve for x
    x = 555,347,839,562.42/841,086.60
  6. Step 6: Final answer
    x = 660,274.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.