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Finding the Fourth Proportional to 1,070,460.80, 1,605,460.80 and 471,420.80

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Solution

The fourth proportional to 1,070,460.80, 1,605,460.80 and 471,420.80 is: 707,029.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,460.80 : 1,605,460.80 = 471,420.80 : x
  2. Step 2: Convert to fraction form
    1,070,460.80/1,605,460.80 = 471,420.80/x
  3. Step 3: Cross multiply
    1,070,460.80x = 1,605,460.80 × 471,420.80
  4. Step 4: Simplify right side
    1,070,460.80x = 756,847,614,704.64
  5. Step 5: Solve for x
    x = 756,847,614,704.64/1,070,460.80
  6. Step 6: Final answer
    x = 707,029.73

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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.