Home / 984,112.80-1,476,514.80-423,319.20

Finding the Fourth Proportional to 984,112.80, 1,476,514.80 and 423,319.20

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Solution

The fourth proportional to 984,112.80, 1,476,514.80 and 423,319.20 is: 635,127.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,112.80 : 1,476,514.80 = 423,319.20 : x
  2. Step 2: Convert to fraction form
    984,112.80/1,476,514.80 = 423,319.20/x
  3. Step 3: Cross multiply
    984,112.80x = 1,476,514.80 × 423,319.20
  4. Step 4: Simplify right side
    984,112.80x = 625,037,063,924.16
  5. Step 5: Solve for x
    x = 625,037,063,924.16/984,112.80
  6. Step 6: Final answer
    x = 635,127.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.