Home / 876,425.52-1,209,467.28-474,017.52

Finding the Fourth Proportional to 876,425.52, 1,209,467.28 and 474,017.52

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Solution

The fourth proportional to 876,425.52, 1,209,467.28 and 474,017.52 is: 654,144.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,425.52 : 1,209,467.28 = 474,017.52 : x
  2. Step 2: Convert to fraction form
    876,425.52/1,209,467.28 = 474,017.52/x
  3. Step 3: Cross multiply
    876,425.52x = 1,209,467.28 × 474,017.52
  4. Step 4: Simplify right side
    876,425.52x = 573,308,680,586.75
  5. Step 5: Solve for x
    x = 573,308,680,586.75/876,425.52
  6. Step 6: Final answer
    x = 654,144.21

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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.