Home / 857,222.72-1,182,995.40-475,285.04

Finding the Fourth Proportional to 857,222.72, 1,182,995.40 and 475,285.04

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Solution

The fourth proportional to 857,222.72, 1,182,995.40 and 475,285.04 is: 655,908.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,222.72 : 1,182,995.40 = 475,285.04 : x
  2. Step 2: Convert to fraction form
    857,222.72/1,182,995.40 = 475,285.04/x
  3. Step 3: Cross multiply
    857,222.72x = 1,182,995.40 × 475,285.04
  4. Step 4: Simplify right side
    857,222.72x = 562,260,016,008.82
  5. Step 5: Solve for x
    x = 562,260,016,008.82/857,222.72
  6. Step 6: Final answer
    x = 655,908.91

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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.