Home / 564,928.02-779,619.33-310,302.90

Finding the Fourth Proportional to 564,928.02, 779,619.33 and 310,302.90

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Solution

The fourth proportional to 564,928.02, 779,619.33 and 310,302.90 is: 428,228.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,928.02 : 779,619.33 = 310,302.90 : x
  2. Step 2: Convert to fraction form
    564,928.02/779,619.33 = 310,302.90/x
  3. Step 3: Cross multiply
    564,928.02x = 779,619.33 × 310,302.90
  4. Step 4: Simplify right side
    564,928.02x = 241,918,138,995.06
  5. Step 5: Solve for x
    x = 241,918,138,995.06/564,928.02
  6. Step 6: Final answer
    x = 428,228.25

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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.