Home / 790,877.46-1,091,409.24-428,300.22

Finding the Fourth Proportional to 790,877.46, 1,091,409.24 and 428,300.22

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Solution

The fourth proportional to 790,877.46, 1,091,409.24 and 428,300.22 is: 591,053.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,877.46 : 1,091,409.24 = 428,300.22 : x
  2. Step 2: Convert to fraction form
    790,877.46/1,091,409.24 = 428,300.22/x
  3. Step 3: Cross multiply
    790,877.46x = 1,091,409.24 × 428,300.22
  4. Step 4: Simplify right side
    790,877.46x = 467,450,817,602.03
  5. Step 5: Solve for x
    x = 467,450,817,602.03/790,877.46
  6. Step 6: Final answer
    x = 591,053.41

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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.