Home / 657,054.10-906,928.58-385,180.84

Finding the Fourth Proportional to 657,054.10, 906,928.58 and 385,180.84

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Solution

The fourth proportional to 657,054.10, 906,928.58 and 385,180.84 is: 531,663.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,054.10 : 906,928.58 = 385,180.84 : x
  2. Step 2: Convert to fraction form
    657,054.10/906,928.58 = 385,180.84/x
  3. Step 3: Cross multiply
    657,054.10x = 906,928.58 × 385,180.84
  4. Step 4: Simplify right side
    657,054.10x = 349,331,512,264.41
  5. Step 5: Solve for x
    x = 349,331,512,264.41/657,054.10
  6. Step 6: Final answer
    x = 531,663.24

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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.