Home / 563,752.08-777,972.24-309,102.66

Finding the Fourth Proportional to 563,752.08, 777,972.24 and 309,102.66

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Solution

The fourth proportional to 563,752.08, 777,972.24 and 309,102.66 is: 426,558.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,752.08 : 777,972.24 = 309,102.66 : x
  2. Step 2: Convert to fraction form
    563,752.08/777,972.24 = 309,102.66/x
  3. Step 3: Cross multiply
    563,752.08x = 777,972.24 × 309,102.66
  4. Step 4: Simplify right side
    563,752.08x = 240,473,288,790.16
  5. Step 5: Solve for x
    x = 240,473,288,790.16/563,752.08
  6. Step 6: Final answer
    x = 426,558.58

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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.