Home / 668,721.40-1,003,082.10-295,473.40

Finding the Fourth Proportional to 668,721.40, 1,003,082.10 and 295,473.40

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Solution

The fourth proportional to 668,721.40, 1,003,082.10 and 295,473.40 is: 443,210.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,721.40 : 1,003,082.10 = 295,473.40 : x
  2. Step 2: Convert to fraction form
    668,721.40/1,003,082.10 = 295,473.40/x
  3. Step 3: Cross multiply
    668,721.40x = 1,003,082.10 × 295,473.40
  4. Step 4: Simplify right side
    668,721.40x = 296,384,078,566.14
  5. Step 5: Solve for x
    x = 296,384,078,566.14/668,721.40
  6. Step 6: Final answer
    x = 443,210.10

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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.