Home / 856,397.02-1,181,732.48-474,328.12

Finding the Fourth Proportional to 856,397.02, 1,181,732.48 and 474,328.12

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Solution

The fourth proportional to 856,397.02, 1,181,732.48 and 474,328.12 is: 654,519.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,397.02 : 1,181,732.48 = 474,328.12 : x
  2. Step 2: Convert to fraction form
    856,397.02/1,181,732.48 = 474,328.12/x
  3. Step 3: Cross multiply
    856,397.02x = 1,181,732.48 × 474,328.12
  4. Step 4: Simplify right side
    856,397.02x = 560,528,945,581.34
  5. Step 5: Solve for x
    x = 560,528,945,581.34/856,397.02
  6. Step 6: Final answer
    x = 654,519.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.