Home / 820,466.80-1,132,241.76-457,886.80

Finding the Fourth Proportional to 820,466.80, 1,132,241.76 and 457,886.80

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Solution

The fourth proportional to 820,466.80, 1,132,241.76 and 457,886.80 is: 631,882.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,466.80 : 1,132,241.76 = 457,886.80 : x
  2. Step 2: Convert to fraction form
    820,466.80/1,132,241.76 = 457,886.80/x
  3. Step 3: Cross multiply
    820,466.80x = 1,132,241.76 × 457,886.80
  4. Step 4: Simplify right side
    820,466.80x = 518,438,556,312.77
  5. Step 5: Solve for x
    x = 518,438,556,312.77/820,466.80
  6. Step 6: Final answer
    x = 631,882.43

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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.