Home / 848,020.10-1,272,010.19-208,322.83

Finding the Fourth Proportional to 848,020.10, 1,272,010.19 and 208,322.83

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Solution

The fourth proportional to 848,020.10, 1,272,010.19 and 208,322.83 is: 312,479.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,020.10 : 1,272,010.19 = 208,322.83 : x
  2. Step 2: Convert to fraction form
    848,020.10/1,272,010.19 = 208,322.83/x
  3. Step 3: Cross multiply
    848,020.10x = 1,272,010.19 × 208,322.83
  4. Step 4: Simplify right side
    848,020.10x = 264,988,762,569.64
  5. Step 5: Solve for x
    x = 264,988,762,569.64/848,020.10
  6. Step 6: Final answer
    x = 312,479.34

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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.