Home / 841,142.68-1,160,761.79-478,558.73

Finding the Fourth Proportional to 841,142.68, 1,160,761.79 and 478,558.73

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Solution

The fourth proportional to 841,142.68, 1,160,761.79 and 478,558.73 is: 660,402.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,142.68 : 1,160,761.79 = 478,558.73 : x
  2. Step 2: Convert to fraction form
    841,142.68/1,160,761.79 = 478,558.73/x
  3. Step 3: Cross multiply
    841,142.68x = 1,160,761.79 × 478,558.73
  4. Step 4: Simplify right side
    841,142.68x = 555,492,692,153.23
  5. Step 5: Solve for x
    x = 555,492,692,153.23/841,142.68
  6. Step 6: Final answer
    x = 660,402.46

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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.