Home / 918,669.60-1,376,604.72-469,372.32

Finding the Fourth Proportional to 918,669.60, 1,376,604.72 and 469,372.32

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Solution

The fourth proportional to 918,669.60, 1,376,604.72 and 469,372.32 is: 703,343.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,669.60 : 1,376,604.72 = 469,372.32 : x
  2. Step 2: Convert to fraction form
    918,669.60/1,376,604.72 = 469,372.32/x
  3. Step 3: Cross multiply
    918,669.60x = 1,376,604.72 × 469,372.32
  4. Step 4: Simplify right side
    918,669.60x = 646,140,151,149.35
  5. Step 5: Solve for x
    x = 646,140,151,149.35/918,669.60
  6. Step 6: Final answer
    x = 703,343.35

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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.