Home / 848,302.34-1,272,420.30-287,336.84

Finding the Fourth Proportional to 848,302.34, 1,272,420.30 and 287,336.84

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Solution

The fourth proportional to 848,302.34, 1,272,420.30 and 287,336.84 is: 430,994.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,302.34 : 1,272,420.30 = 287,336.84 : x
  2. Step 2: Convert to fraction form
    848,302.34/1,272,420.30 = 287,336.84/x
  3. Step 3: Cross multiply
    848,302.34x = 1,272,420.30 × 287,336.84
  4. Step 4: Simplify right side
    848,302.34x = 365,613,228,153.85
  5. Step 5: Solve for x
    x = 365,613,228,153.85/848,302.34
  6. Step 6: Final answer
    x = 430,994.01

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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.