Home / 657,355.32-907,161.84-385,619.04

Finding the Fourth Proportional to 657,355.32, 907,161.84 and 385,619.04

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Solution

The fourth proportional to 657,355.32, 907,161.84 and 385,619.04 is: 532,161.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,355.32 : 907,161.84 = 385,619.04 : x
  2. Step 2: Convert to fraction form
    657,355.32/907,161.84 = 385,619.04/x
  3. Step 3: Cross multiply
    657,355.32x = 907,161.84 × 385,619.04
  4. Step 4: Simplify right side
    657,355.32x = 349,818,877,865.43
  5. Step 5: Solve for x
    x = 349,818,877,865.43/657,355.32
  6. Step 6: Final answer
    x = 532,161.02

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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.