Home / 307,621.80-461,432.70-274,444.20

Finding the Fourth Proportional to 307,621.80, 461,432.70 and 274,444.20

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Solution

The fourth proportional to 307,621.80, 461,432.70 and 274,444.20 is: 411,666.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,621.80 : 461,432.70 = 274,444.20 : x
  2. Step 2: Convert to fraction form
    307,621.80/461,432.70 = 274,444.20/x
  3. Step 3: Cross multiply
    307,621.80x = 461,432.70 × 274,444.20
  4. Step 4: Simplify right side
    307,621.80x = 126,637,528,205.34
  5. Step 5: Solve for x
    x = 126,637,528,205.34/307,621.80
  6. Step 6: Final answer
    x = 411,666.30

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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.