Home / 601,078.12-829,487.82-346,445.72

Finding the Fourth Proportional to 601,078.12, 829,487.82 and 346,445.72

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Solution

The fourth proportional to 601,078.12, 829,487.82 and 346,445.72 is: 478,095.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,078.12 : 829,487.82 = 346,445.72 : x
  2. Step 2: Convert to fraction form
    601,078.12/829,487.82 = 346,445.72/x
  3. Step 3: Cross multiply
    601,078.12x = 829,487.82 × 346,445.72
  4. Step 4: Simplify right side
    601,078.12x = 287,372,505,031.13
  5. Step 5: Solve for x
    x = 287,372,505,031.13/601,078.12
  6. Step 6: Final answer
    x = 478,095.10

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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.