Home / 839,320.50-1,158,263.73-457,347.27

Finding the Fourth Proportional to 839,320.50, 1,158,263.73 and 457,347.27

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Solution

The fourth proportional to 839,320.50, 1,158,263.73 and 457,347.27 is: 631,140.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,320.50 : 1,158,263.73 = 457,347.27 : x
  2. Step 2: Convert to fraction form
    839,320.50/1,158,263.73 = 457,347.27/x
  3. Step 3: Cross multiply
    839,320.50x = 1,158,263.73 × 457,347.27
  4. Step 4: Simplify right side
    839,320.50x = 529,728,754,855.52
  5. Step 5: Solve for x
    x = 529,728,754,855.52/839,320.50
  6. Step 6: Final answer
    x = 631,140.02

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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.