Home / 559,821.02-772,553.02-305,172.40

Finding the Fourth Proportional to 559,821.02, 772,553.02 and 305,172.40

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Solution

The fourth proportional to 559,821.02, 772,553.02 and 305,172.40 is: 421,137.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,821.02 : 772,553.02 = 305,172.40 : x
  2. Step 2: Convert to fraction form
    559,821.02/772,553.02 = 305,172.40/x
  3. Step 3: Cross multiply
    559,821.02x = 772,553.02 × 305,172.40
  4. Step 4: Simplify right side
    559,821.02x = 235,761,859,240.65
  5. Step 5: Solve for x
    x = 235,761,859,240.65/559,821.02
  6. Step 6: Final answer
    x = 421,137.92

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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.