Home / 604,821.20-907,231.80-415,864.40

Finding the Fourth Proportional to 604,821.20, 907,231.80 and 415,864.40

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Solution

The fourth proportional to 604,821.20, 907,231.80 and 415,864.40 is: 623,796.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,821.20 : 907,231.80 = 415,864.40 : x
  2. Step 2: Convert to fraction form
    604,821.20/907,231.80 = 415,864.40/x
  3. Step 3: Cross multiply
    604,821.20x = 907,231.80 × 415,864.40
  4. Step 4: Simplify right side
    604,821.20x = 377,285,408,167.92
  5. Step 5: Solve for x
    x = 377,285,408,167.92/604,821.20
  6. Step 6: Final answer
    x = 623,796.60

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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.