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Finding the Fourth Proportional to 575,784.60, 863,676.90 and 442,924.35

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Solution

The fourth proportional to 575,784.60, 863,676.90 and 442,924.35 is: 664,386.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,784.60 : 863,676.90 = 442,924.35 : x
  2. Step 2: Convert to fraction form
    575,784.60/863,676.90 = 442,924.35/x
  3. Step 3: Cross multiply
    575,784.60x = 863,676.90 × 442,924.35
  4. Step 4: Simplify right side
    575,784.60x = 382,543,529,542.52
  5. Step 5: Solve for x
    x = 382,543,529,542.52/575,784.60
  6. Step 6: Final answer
    x = 664,386.53

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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.