Home / 564,851.02-779,494.38-310,202.20

Finding the Fourth Proportional to 564,851.02, 779,494.38 and 310,202.20

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Solution

The fourth proportional to 564,851.02, 779,494.38 and 310,202.20 is: 428,079.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,851.02 : 779,494.38 = 310,202.20 : x
  2. Step 2: Convert to fraction form
    564,851.02/779,494.38 = 310,202.20/x
  3. Step 3: Cross multiply
    564,851.02x = 779,494.38 × 310,202.20
  4. Step 4: Simplify right side
    564,851.02x = 241,800,871,563.64
  5. Step 5: Solve for x
    x = 241,800,871,563.64/564,851.02
  6. Step 6: Final answer
    x = 428,079.02

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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.