Home / 739,934.10-1,109,901.15-440,558.10

Finding the Fourth Proportional to 739,934.10, 1,109,901.15 and 440,558.10

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Solution

The fourth proportional to 739,934.10, 1,109,901.15 and 440,558.10 is: 660,837.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,934.10 : 1,109,901.15 = 440,558.10 : x
  2. Step 2: Convert to fraction form
    739,934.10/1,109,901.15 = 440,558.10/x
  3. Step 3: Cross multiply
    739,934.10x = 1,109,901.15 × 440,558.10
  4. Step 4: Simplify right side
    739,934.10x = 488,975,941,831.82
  5. Step 5: Solve for x
    x = 488,975,941,831.82/739,934.10
  6. Step 6: Final answer
    x = 660,837.15

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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.