Home / 945,269.10-1,418,115.15-346,218.30

Finding the Fourth Proportional to 945,269.10, 1,418,115.15 and 346,218.30

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Solution

The fourth proportional to 945,269.10, 1,418,115.15 and 346,218.30 is: 519,404.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,269.10 : 1,418,115.15 = 346,218.30 : x
  2. Step 2: Convert to fraction form
    945,269.10/1,418,115.15 = 346,218.30/x
  3. Step 3: Cross multiply
    945,269.10x = 1,418,115.15 × 346,218.30
  4. Step 4: Simplify right side
    945,269.10x = 490,977,416,437.25
  5. Step 5: Solve for x
    x = 490,977,416,437.25/945,269.10
  6. Step 6: Final answer
    x = 519,404.91

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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.