Home / 559,047.09-771,485.00-304,398.28

Finding the Fourth Proportional to 559,047.09, 771,485.00 and 304,398.28

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Solution

The fourth proportional to 559,047.09, 771,485.00 and 304,398.28 is: 420,069.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,047.09 : 771,485.00 = 304,398.28 : x
  2. Step 2: Convert to fraction form
    559,047.09/771,485.00 = 304,398.28/x
  3. Step 3: Cross multiply
    559,047.09x = 771,485.00 × 304,398.28
  4. Step 4: Simplify right side
    559,047.09x = 234,838,706,488.17
  5. Step 5: Solve for x
    x = 234,838,706,488.17/559,047.09
  6. Step 6: Final answer
    x = 420,069.63

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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.