Home / 763,747.02-1,145,181.54-314,777.82

Finding the Fourth Proportional to 763,747.02, 1,145,181.54 and 314,777.82

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Solution

The fourth proportional to 763,747.02, 1,145,181.54 and 314,777.82 is: 471,985.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,747.02 : 1,145,181.54 = 314,777.82 : x
  2. Step 2: Convert to fraction form
    763,747.02/1,145,181.54 = 314,777.82/x
  3. Step 3: Cross multiply
    763,747.02x = 1,145,181.54 × 314,777.82
  4. Step 4: Simplify right side
    763,747.02x = 360,477,748,665.44
  5. Step 5: Solve for x
    x = 360,477,748,665.44/763,747.02
  6. Step 6: Final answer
    x = 471,985.80

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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.