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Finding the Fourth Proportional to 553,351.70, 830,027.55 and 548,686.10

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Solution

The fourth proportional to 553,351.70, 830,027.55 and 548,686.10 is: 823,029.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,351.70 : 830,027.55 = 548,686.10 : x
  2. Step 2: Convert to fraction form
    553,351.70/830,027.55 = 548,686.10/x
  3. Step 3: Cross multiply
    553,351.70x = 830,027.55 × 548,686.10
  4. Step 4: Simplify right side
    553,351.70x = 455,424,579,302.06
  5. Step 5: Solve for x
    x = 455,424,579,302.06/553,351.70
  6. Step 6: Final answer
    x = 823,029.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.