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Finding the Fourth Proportional to 708,262.52, 977,367.48 and 385,971.62

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Solution

The fourth proportional to 708,262.52, 977,367.48 and 385,971.62 is: 532,621.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,262.52 : 977,367.48 = 385,971.62 : x
  2. Step 2: Convert to fraction form
    708,262.52/977,367.48 = 385,971.62/x
  3. Step 3: Cross multiply
    708,262.52x = 977,367.48 × 385,971.62
  4. Step 4: Simplify right side
    708,262.52x = 377,236,109,590.92
  5. Step 5: Solve for x
    x = 377,236,109,590.92/708,262.52
  6. Step 6: Final answer
    x = 532,621.87

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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.