Home / 546,721.61-754,476.15-305,004.19

Finding the Fourth Proportional to 546,721.61, 754,476.15 and 305,004.19

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Solution

The fourth proportional to 546,721.61, 754,476.15 and 305,004.19 is: 420,905.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,721.61 : 754,476.15 = 305,004.19 : x
  2. Step 2: Convert to fraction form
    546,721.61/754,476.15 = 305,004.19/x
  3. Step 3: Cross multiply
    546,721.61x = 754,476.15 × 305,004.19
  4. Step 4: Simplify right side
    546,721.61x = 230,118,387,005.07
  5. Step 5: Solve for x
    x = 230,118,387,005.07/546,721.61
  6. Step 6: Final answer
    x = 420,905.97

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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.