Home / 897,713.74-1,238,664.45-571,156.36

Finding the Fourth Proportional to 897,713.74, 1,238,664.45 and 571,156.36

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Solution

The fourth proportional to 897,713.74, 1,238,664.45 and 571,156.36 is: 788,080.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,713.74 : 1,238,664.45 = 571,156.36 : x
  2. Step 2: Convert to fraction form
    897,713.74/1,238,664.45 = 571,156.36/x
  3. Step 3: Cross multiply
    897,713.74x = 1,238,664.45 × 571,156.36
  4. Step 4: Simplify right side
    897,713.74x = 707,471,078,523.40
  5. Step 5: Solve for x
    x = 707,471,078,523.40/897,713.74
  6. Step 6: Final answer
    x = 788,080.93

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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.