Home / 840,962.19-1,160,491.76-496,908.82

Finding the Fourth Proportional to 840,962.19, 1,160,491.76 and 496,908.82

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Solution

The fourth proportional to 840,962.19, 1,160,491.76 and 496,908.82 is: 685,712.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,962.19 : 1,160,491.76 = 496,908.82 : x
  2. Step 2: Convert to fraction form
    840,962.19/1,160,491.76 = 496,908.82/x
  3. Step 3: Cross multiply
    840,962.19x = 1,160,491.76 × 496,908.82
  4. Step 4: Simplify right side
    840,962.19x = 576,658,585,278.86
  5. Step 5: Solve for x
    x = 576,658,585,278.86/840,962.19
  6. Step 6: Final answer
    x = 685,712.86

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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.