Home / 805,531.40-1,206,914.70-524,904.20

Finding the Fourth Proportional to 805,531.40, 1,206,914.70 and 524,904.20

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Solution

The fourth proportional to 805,531.40, 1,206,914.70 and 524,904.20 is: 786,455.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,531.40 : 1,206,914.70 = 524,904.20 : x
  2. Step 2: Convert to fraction form
    805,531.40/1,206,914.70 = 524,904.20/x
  3. Step 3: Cross multiply
    805,531.40x = 1,206,914.70 × 524,904.20
  4. Step 4: Simplify right side
    805,531.40x = 633,514,595,071.74
  5. Step 5: Solve for x
    x = 633,514,595,071.74/805,531.40
  6. Step 6: Final answer
    x = 786,455.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.