Home / 617,905.30-925,043.55-460,830.10

Finding the Fourth Proportional to 617,905.30, 925,043.55 and 460,830.10

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Solution

The fourth proportional to 617,905.30, 925,043.55 and 460,830.10 is: 689,891.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,905.30 : 925,043.55 = 460,830.10 : x
  2. Step 2: Convert to fraction form
    617,905.30/925,043.55 = 460,830.10/x
  3. Step 3: Cross multiply
    617,905.30x = 925,043.55 × 460,830.10
  4. Step 4: Simplify right side
    617,905.30x = 426,287,911,650.86
  5. Step 5: Solve for x
    x = 426,287,911,650.86/617,905.30
  6. Step 6: Final answer
    x = 689,891.98

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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.