Home / 768,088.32-1,059,666.24-481,108.80

Finding the Fourth Proportional to 768,088.32, 1,059,666.24 and 481,108.80

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Solution

The fourth proportional to 768,088.32, 1,059,666.24 and 481,108.80 is: 663,744.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,088.32 : 1,059,666.24 = 481,108.80 : x
  2. Step 2: Convert to fraction form
    768,088.32/1,059,666.24 = 481,108.80/x
  3. Step 3: Cross multiply
    768,088.32x = 1,059,666.24 × 481,108.80
  4. Step 4: Simplify right side
    768,088.32x = 509,814,753,126.91
  5. Step 5: Solve for x
    x = 509,814,753,126.91/768,088.32
  6. Step 6: Final answer
    x = 663,744.96

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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.