Home / 755,104.92-1,041,810.12-428,364.06

Finding the Fourth Proportional to 755,104.92, 1,041,810.12 and 428,364.06

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Solution

The fourth proportional to 755,104.92, 1,041,810.12 and 428,364.06 is: 591,009.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,104.92 : 1,041,810.12 = 428,364.06 : x
  2. Step 2: Convert to fraction form
    755,104.92/1,041,810.12 = 428,364.06/x
  3. Step 3: Cross multiply
    755,104.92x = 1,041,810.12 × 428,364.06
  4. Step 4: Simplify right side
    755,104.92x = 446,274,012,752.29
  5. Step 5: Solve for x
    x = 446,274,012,752.29/755,104.92
  6. Step 6: Final answer
    x = 591,009.28

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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.