Home / 859,767.72-1,186,385.24-497,136.70

Finding the Fourth Proportional to 859,767.72, 1,186,385.24 and 497,136.70

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Solution

The fourth proportional to 859,767.72, 1,186,385.24 and 497,136.70 is: 685,994.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,767.72 : 1,186,385.24 = 497,136.70 : x
  2. Step 2: Convert to fraction form
    859,767.72/1,186,385.24 = 497,136.70/x
  3. Step 3: Cross multiply
    859,767.72x = 1,186,385.24 × 497,136.70
  4. Step 4: Simplify right side
    859,767.72x = 589,795,643,142.31
  5. Step 5: Solve for x
    x = 589,795,643,142.31/859,767.72
  6. Step 6: Final answer
    x = 685,994.17

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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.