Home / 821,946.02-1,233,018.65-289,358.06

Finding the Fourth Proportional to 821,946.02, 1,233,018.65 and 289,358.06

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Solution

The fourth proportional to 821,946.02, 1,233,018.65 and 289,358.06 is: 434,072.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,946.02 : 1,233,018.65 = 289,358.06 : x
  2. Step 2: Convert to fraction form
    821,946.02/1,233,018.65 = 289,358.06/x
  3. Step 3: Cross multiply
    821,946.02x = 1,233,018.65 × 289,358.06
  4. Step 4: Simplify right side
    821,946.02x = 356,783,879,066.12
  5. Step 5: Solve for x
    x = 356,783,879,066.12/821,946.02
  6. Step 6: Final answer
    x = 434,072.16

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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.