Home / 679,304.83-936,452.67-474,720.58

Finding the Fourth Proportional to 679,304.83, 936,452.67 and 474,720.58

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Solution

The fourth proportional to 679,304.83, 936,452.67 and 474,720.58 is: 654,423.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,304.83 : 936,452.67 = 474,720.58 : x
  2. Step 2: Convert to fraction form
    679,304.83/936,452.67 = 474,720.58/x
  3. Step 3: Cross multiply
    679,304.83x = 936,452.67 × 474,720.58
  4. Step 4: Simplify right side
    679,304.83x = 444,553,354,644.95
  5. Step 5: Solve for x
    x = 444,553,354,644.95/679,304.83
  6. Step 6: Final answer
    x = 654,423.96

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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.