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Finding the Fourth Proportional to 590,048.06, 814,395.28 and 375,146.15

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Solution

The fourth proportional to 590,048.06, 814,395.28 and 375,146.15 is: 517,783.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,048.06 : 814,395.28 = 375,146.15 : x
  2. Step 2: Convert to fraction form
    590,048.06/814,395.28 = 375,146.15/x
  3. Step 3: Cross multiply
    590,048.06x = 814,395.28 × 375,146.15
  4. Step 4: Simplify right side
    590,048.06x = 305,517,253,870.17
  5. Step 5: Solve for x
    x = 305,517,253,870.17/590,048.06
  6. Step 6: Final answer
    x = 517,783.68

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1.5x scale

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.