Home / 755,818.12-1,042,981.08-416,286.34

Finding the Fourth Proportional to 755,818.12, 1,042,981.08 and 416,286.34

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Solution

The fourth proportional to 755,818.12, 1,042,981.08 and 416,286.34 is: 574,448.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,818.12 : 1,042,981.08 = 416,286.34 : x
  2. Step 2: Convert to fraction form
    755,818.12/1,042,981.08 = 416,286.34/x
  3. Step 3: Cross multiply
    755,818.12x = 1,042,981.08 × 416,286.34
  4. Step 4: Simplify right side
    755,818.12x = 434,178,776,482.45
  5. Step 5: Solve for x
    x = 434,178,776,482.45/755,818.12
  6. Step 6: Final answer
    x = 574,448.75

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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.