Home / 990,020.05-1,484,792.24-457,029.01

Finding the Fourth Proportional to 990,020.05, 1,484,792.24 and 457,029.01

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Solution

The fourth proportional to 990,020.05, 1,484,792.24 and 457,029.01 is: 685,433.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,020.05 : 1,484,792.24 = 457,029.01 : x
  2. Step 2: Convert to fraction form
    990,020.05/1,484,792.24 = 457,029.01/x
  3. Step 3: Cross multiply
    990,020.05x = 1,484,792.24 × 457,029.01
  4. Step 4: Simplify right side
    990,020.05x = 678,593,127,073.73
  5. Step 5: Solve for x
    x = 678,593,127,073.73/990,020.05
  6. Step 6: Final answer
    x = 685,433.72

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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.