Home / 763,830.45-1,053,647.51-476,852.31

Finding the Fourth Proportional to 763,830.45, 1,053,647.51 and 476,852.31

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Solution

The fourth proportional to 763,830.45, 1,053,647.51 and 476,852.31 is: 657,782.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,830.45 : 1,053,647.51 = 476,852.31 : x
  2. Step 2: Convert to fraction form
    763,830.45/1,053,647.51 = 476,852.31/x
  3. Step 3: Cross multiply
    763,830.45x = 1,053,647.51 × 476,852.31
  4. Step 4: Simplify right side
    763,830.45x = 502,434,246,684.99
  5. Step 5: Solve for x
    x = 502,434,246,684.99/763,830.45
  6. Step 6: Final answer
    x = 657,782.43

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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.