Home / 848,304.86-1,272,424.05-287,339.34

Finding the Fourth Proportional to 848,304.86, 1,272,424.05 and 287,339.34

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Solution

The fourth proportional to 848,304.86, 1,272,424.05 and 287,339.34 is: 430,997.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,304.86 : 1,272,424.05 = 287,339.34 : x
  2. Step 2: Convert to fraction form
    848,304.86/1,272,424.05 = 287,339.34/x
  3. Step 3: Cross multiply
    848,304.86x = 1,272,424.05 × 287,339.34
  4. Step 4: Simplify right side
    848,304.86x = 365,617,486,727.13
  5. Step 5: Solve for x
    x = 365,617,486,727.13/848,304.86
  6. Step 6: Final answer
    x = 430,997.75

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Double scale
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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.