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Finding the Fourth Proportional to 481,595.48, 665,048.50 and 360,526.57

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Solution

The fourth proportional to 481,595.48, 665,048.50 and 360,526.57 is: 497,861.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,595.48 : 665,048.50 = 360,526.57 : x
  2. Step 2: Convert to fraction form
    481,595.48/665,048.50 = 360,526.57/x
  3. Step 3: Cross multiply
    481,595.48x = 665,048.50 × 360,526.57
  4. Step 4: Simplify right side
    481,595.48x = 239,767,652,024.71
  5. Step 5: Solve for x
    x = 239,767,652,024.71/481,595.48
  6. Step 6: Final answer
    x = 497,861.10

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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.