Home / 821,560.23-1,232,154.04-371,984.31

Finding the Fourth Proportional to 821,560.23, 1,232,154.04 and 371,984.31

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Solution

The fourth proportional to 821,560.23, 1,232,154.04 and 371,984.31 is: 557,892.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,560.23 : 1,232,154.04 = 371,984.31 : x
  2. Step 2: Convert to fraction form
    821,560.23/1,232,154.04 = 371,984.31/x
  3. Step 3: Cross multiply
    821,560.23x = 1,232,154.04 × 371,984.31
  4. Step 4: Simplify right side
    821,560.23x = 458,341,962,362.42
  5. Step 5: Solve for x
    x = 458,341,962,362.42/821,560.23
  6. Step 6: Final answer
    x = 557,892.10

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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.