Home / 841,215.72-1,160,943.94-478,654.84

Finding the Fourth Proportional to 841,215.72, 1,160,943.94 and 478,654.84

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Solution

The fourth proportional to 841,215.72, 1,160,943.94 and 478,654.84 is: 660,581.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,215.72 : 1,160,943.94 = 478,654.84 : x
  2. Step 2: Convert to fraction form
    841,215.72/1,160,943.94 = 478,654.84/x
  3. Step 3: Cross multiply
    841,215.72x = 1,160,943.94 × 478,654.84
  4. Step 4: Simplify right side
    841,215.72x = 555,691,435,849.67
  5. Step 5: Solve for x
    x = 555,691,435,849.67/841,215.72
  6. Step 6: Final answer
    x = 660,581.37

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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.