Home / 849,816.33-1,172,815.10-487,273.92

Finding the Fourth Proportional to 849,816.33, 1,172,815.10 and 487,273.92

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Solution

The fourth proportional to 849,816.33, 1,172,815.10 and 487,273.92 is: 672,477.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,816.33 : 1,172,815.10 = 487,273.92 : x
  2. Step 2: Convert to fraction form
    849,816.33/1,172,815.10 = 487,273.92/x
  3. Step 3: Cross multiply
    849,816.33x = 1,172,815.10 × 487,273.92
  4. Step 4: Simplify right side
    849,816.33x = 571,482,208,775.82
  5. Step 5: Solve for x
    x = 571,482,208,775.82/849,816.33
  6. Step 6: Final answer
    x = 672,477.32

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Double scale
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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.