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Finding the Fourth Proportional to 595,031.96, 820,938.84 and 380,297.72

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Solution

The fourth proportional to 595,031.96, 820,938.84 and 380,297.72 is: 524,679.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,031.96 : 820,938.84 = 380,297.72 : x
  2. Step 2: Convert to fraction form
    595,031.96/820,938.84 = 380,297.72/x
  3. Step 3: Cross multiply
    595,031.96x = 820,938.84 × 380,297.72
  4. Step 4: Simplify right side
    595,031.96x = 312,201,169,111.45
  5. Step 5: Solve for x
    x = 312,201,169,111.45/595,031.96
  6. Step 6: Final answer
    x = 524,679.66

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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.