Home / 857,026.83-1,182,671.39-469,829.01

Finding the Fourth Proportional to 857,026.83, 1,182,671.39 and 469,829.01

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Solution

The fourth proportional to 857,026.83, 1,182,671.39 and 469,829.01 is: 648,349.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,026.83 : 1,182,671.39 = 469,829.01 : x
  2. Step 2: Convert to fraction form
    857,026.83/1,182,671.39 = 469,829.01/x
  3. Step 3: Cross multiply
    857,026.83x = 1,182,671.39 × 469,829.01
  4. Step 4: Simplify right side
    857,026.83x = 555,653,331,285.83
  5. Step 5: Solve for x
    x = 555,653,331,285.83/857,026.83
  6. Step 6: Final answer
    x = 648,349.99

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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.